Wireless Microphone System,Fifine Wireless Microphone set with Headset/Lavalier Lapel Mics, Beltpack Transmitter/Receiver,Ideal for Teaching, Preaching and Public Speaking Applications.(K037B)

Wireless Microphone System,Fifine Wireless Microphone set with Headset/Lavalier

FEATURES 1. UHF(Ultra-High-Frequency) band has powerful and reliable signal. The valid distance is over 15m.line of sight 2. There are 20 frequency points can be transformed freely, no worry about frequency interference. 3. High-quality microphone capsule greatly minimizes noise and makes your voice clear. 4. Easy to operate, with display screen on transmitter to show the working status. 5. Fashion alloy mic body and hands free clip-on design. 6. Powered by replaceable batteries makes it more convenient to use. SPECIFICATION Microphone Type: Condenser Impedance: 1-1.9KΩ¸ Sensitivity: -44±2dB RL=680Ω Vs=1.5V (1KHz 0dB=1V/Pa) Frequency Response: 50-16KHz Direction: Uni-direction S/N Ratio: More than 58dB Receiver Frequency: 565-584 KHz Sensitivity: -95db S/N Ratio: More than 58dB Frequency Response: 40Hz-15KHz Power Supply: 2*AAA Batteries Transmitter Frequency: 565-584 KHz Radio-Frequency Power: 10dBM/10MV On-off Control: Physical Switch Power Supply: 2*AA Batteries

  • Color: Lapel+Headset-K037B
  • Brand: FIFINE
  • ASIN: B076F5W8Q5
  • UPC: 728290254117

DONJON Wireless Remote Switch for Household Appliances Pump,110V/120V-240V Powerful Wireless RF Switch for Lights Ceiling and Electrical Equipment, with 328ft Long Range(Two Remote Controls)

DONJON Wireless Remote Switch for Household Appliances Pump,110V/120V-240V

Problems you may have encountered: 1.Q: Does the live wire and the neutral wire need to be connected to the remote control switch? A: Yes 2.Q: My remote control will not work after a period of time? A: Press the remote control once, the red light on the remote control is not on. Please replace the remote control battery (cr2016 3V). 3.Q: When you press the remote control, the switch makes a TI TA sound. A: This is the sound of normal work. 4.Q: I don't know how to choose style . A: First , look at how many volts your device is. For example, home appliance is 110V, you can buy 110-240 items, such as car equipment is 12V, you can buy 12V-72V items. 5.Q: I need multiple controllers to control a switch. A: Please contact us. You can contact us by email if you have any problem (if there is a problem with the quality, you can apply for a refund directly ). Of course, I will be patient with your other questions. What worries me most is that you don't want to communicate with me. What are the features of the DIY remote control switch? 1.3000W high power, enough to meet the use of an electric water heater and high power pumping unit. 2.100 meters of remote control distance, easy to work in garden square farms and even factories. 3.It only needs to be connected to the circuit, without comp...

  • Color: 110V-240V
  • Brand: DONJON
  • ASIN: B07CTL3TG6
  • UPC: 667581299911

Muscle Toner,Abdominal Toning Belt EMS ABS Toner Body Muscle Trainer Wireless Portable Unisex Fitness Training Gear for Abdomen/Arm/Leg Training Home Office Exercise Equipment

Muscle Toner,Abdominal Toning Belt EMS ABS Toner Body

Best gift for men and women!! Specification: Main Material Body: PET resin gel Pad: Polyacrylamide Glycerin Remote: ABS resin Devices: 6 AAA batteries(not including) Power source Input: 100-240V,50/60Hz Output: DC5V 1000mA ?Each EMS machine can be individually adjusted mode and intensity.You can also use 3 abdominal muscles posted simultaneously, to adjust the required mode and intensity respectively. ?It is suitable for abdomen, arms, waist and legs. With 6 exercise modes.High quality abs gel sheet, conductivity improves 30%. ?Ultra thin and compact. You could get away with wearing this underneath a sweater if you wanted at work and no one would know it's there, you can do muscle trainning in office, bedroom, or any place you want. Not just in gym. ?Easy to Use! Designed with ergonomics targeting abdominal muscle exercise. Fix the fitness gear to the position where you want to strengthen your muscle. Just press the button to start the exercise. Note: 1. Do not use it when you are sleeping 2. The following people are not allowed to use the product or it may cause accidents, the problems of skin and body. -Internally transplanted electronic medical device, such as pacemakers. -Electronic medical life-support equipment such as artificial cardiopuimonary machine. -Electronic medic...

  • Brand: Fitount
  • ASIN: B07PXB5XT7

[All-in-One&Expandable System] Security Camera System Wireless,SMONET Full HD 8CH 1080P Video Security System with 1TB HDD,4pcs 960P Wireless IP Cameras,with 10.1inches Monitor,P2P,Easy Remote View

[All-in-One&Expandable System] Security Camera System Wireless,SMONET Full HD

NVR Features: 1. 8CH 1080P Wireless NVR with 10.1" Monitor and Pre-installed 1TB Hard Drive(Support up to 8 Cameras) 2. 3520D Processor and Embedded Linux Operating System 3. Support Video Preview/Recording/Playback/USB Backup 4. Support Android/IOS/PC Remote View  5. Networking Protocol: UPNP, SMTP, PPPOE, DHCP etc. 6. 1 SATA Port, 1TB HDD Pre-installed, Up to 4TB Each, 1 USB2.0 Port 7. Power Supply Input: DC12V-2000mA, Output: 100-240V Camera Features: 1. Image Sensor: 1/4'' Color CMOS 2. Image Resolution: 1280*960P 3. Lens: 3.6mm or 4mm Lens (Random Delivery) 4. Night Vision: 65Ft (20m) 5. Minimum Illumination: 0 Lux (IR On) 6. Weatherproof: Yes 7. Power Supply Input: DC12V-1000mA, Output:100-240V Package: *8-Channel 1080P Wireless NVR with 10.1" Monitor and Pre-installed 1TB Hard Drive(Support up to 8 Cameras) x1 *960P Waterproof IP Cameras x4 *Power Supply (12V-1A) for Cameras (Cable Length: 10 Feet) x4 *Power Supply(12V-2A) for NVR (Cable Length: 3.3 Feet) x1 *Network Cable (Length: 3.3 Feet) x1 *Mouse x1 *User Manual x1 *Screw Bag x1 (Be Sure to Have a WAN Router To View Video Remotely.) Please Note, the NVR Supports 4TB HDD Maximum.The Size of Hard Drive is 3.5 inch. 1TB can Record around 25 Days. If HDD is Full, the New Recordings will Automatically Overwrite the Prior ...

  • Color: 4pcs 960P Cams+8CH 1080P NVR with 10.1inches Monitor(1TB HDD)
  • Brand: SMONET

Anleon 902mhz-927mhz Tour Guide Wireless System Church System translation equipment simultaneous interpretation equipment (1 Transmitter and 5 Receivers)

Anleon 902mhz-927mhz Tour Guide Wireless System Church System

PLL frequency synthesis technique for stable signal transmission. UHF frequency range with 6 selectable channels One transmitter can be operated with multiple receivers within the operating range Dynamic expanding circuit for high S/N ratio. Complex interference-free circuit for using more than 4 sets simultaneously without mutual interference Both transmitter and receiver use LCD-display to indicate frequency,channel,battery,level status Long operating range up to 100m Wireless tour guiding,simultaneous translation, audio-visual eduation Carrier Frequency:902 907 912 917 922 927Mhz Frequency Response:30Hz--15KHz Number of Channels:6 Transmit Power:50dB Operating Range:>100m Transmitter and Receiver Transmitter and Receiver Power Supply: 2x1.5 AA Alkaline battery(NOT INCLUDE), low power consumption design for long playtime up to 26 hours Packing list: receiver 5pc transmitter 1pc Earphone 5pc Headworn microphone 1pc 3.5mm to 3.5mm conversion cable 1pc , It can be connected directly to your TV, hi-fi system or radio User manual 1pc Package: kraft box Ideal Applications Guided Tours Factories, Museums, Tourist Attractions, Zoos & Theme Parks, Cruise Ships & Buses, Schools, Meetings & Lectures, Employee & Dealers Training, Hotels and Resorts, Special Events. A...

  • Color: 1 Transmitter and 5 Receivers
  • Brand: ANLEON
  • ASIN: B076FXS2LW
  • UPC: 603981642216

Wireless Transceiver Design: Mastering the Design of Modern Wireless Equipment and Systems

Wireless Transceiver Design: Mastering the Design of Modern

Building upon the success of the first edition (2007), Wireless Transceiver Design 2nd Edition is an accessible textbook that explains the concepts of wireless transceiver design in detail. The architectures and the detailed design of both traditional  and advanced all-digital wireless transceivers are discussed in a thorough and systematic manner, while carefully watching out for clarity and simplicity. Many practical examples and solved problems at the end of each chapter allow students to thoroughly understand the mechanisms involved, to build confidence, and enable them to readily make correct and practical use of the applicable results and formulas. From the instructors' perspective, the book will enable the reader to build courses at different levels of depth, starting from the basic understanding, whilst allowing them to focus on particular elements of study. In addition to numerous fully-solved exercises, the authors include actual exemplary examination papers for instructors to use as a reference format for student evaluation. The new edition has been adapted with instructors/lecturers, graduate/undergraduate students and RF engineers in mind. Non-RF engineers looking to acquire a basic understanding of the main related RF subjects will also find the book invaluable.


Mini Wireless Tattoo Power Supply RCA DC Connection Available for Tattoo Pen Machine Permanent Makeup Equipment (RCA Connection)

Mini Wireless Tattoo Power Supply RCA DC Connection

Color: Black Dimensions: 2-7/8" diameter, 1-3/4" height Weight: 6.4oz Output Voltage: 1.5v - 17v Compatible with all coil and rotary tattoo machines . User-friendly rotary control push knob to turn on/off, switch modes, and change voltage Color changing voltage indicator Power adapter include .

  • Color: Black
  • Brand: RTOOTA
  • ASIN: B07PHJT78V

Champion Wireless Winch Remote Control Kit for 5000-lb. or Less ATV/UTV Winches

Champion Wireless Winch Remote Control Kit for 5000-lb.

Champion Power Equipment 18029 50-Foot Range 12-Volt Wireless Winch Remote Kit is designed for ATV and UTV winches that are 5000-lb. or less as well as 12-volt DC winches of the same size. Setting up your wireless remote is easy thanks to the clearly written and complete wiring instructions. Included in the kit is an antenna and remote, a wiring kit with contactor, plus all your winch mounting hardware. In case you need backup, the kit includes a mini-rocker handlebar switch so you can continue to operate your winch without interruption. Enjoy the convenience and safety of being able to operate your winch wirelessly from up to 50 feet away. Rest assured that your vehicle’s battery won’t be drained unnecessarily, either, since Champion designed this winch remote to automatically power off when it’s not in use. Buy with confidence – Champion Support and our nationwide network of service centers will back up your purchase with a 1-year limited warranty and FREE lifetime technical support.

  • Brand: Champion Power Equipment
  • ASIN: B007OTGY8C
  • UPC: 896682180297

DEPSTECH The Third Version Wireless Endoscope, 5.5mm Ultra-Thin WiFi Borescope with Digital Zoom Lens, HD Snake Inspection Camera with QuickShot for Android and iPhone, Samsung, Tablet -Black(16.4FT)

DEPSTECH The Third Version Wireless Endoscope, 5.5mm Ultra-Thin

Specifications: Length: 5m Camera Diameter: 5.5mm Sensor: 1.0 megapixels CMOS Resolution: 1280*720(highest)MJPG View Angle:66° LED Light: 6pcs adjustable Focal Distance:7cm - 40cm Transmission Distance: Within 10m Working Time: About 2-3 hours for a full recharged Power Source: 1500mAh build-in Li-lon battery Power in for recharging: DC5V/2A Support Capture Pictures: Photo Format: JPEG Support Record Video: Video Format: MP4 Support System: Android 2.3 / IOS(Above IOS6.0)Package Lists: 1 x Depstech Wifi Endoscope 1 x Micro USB to Micro USB Cable 1 x USB to Micro USB Cable 1 x Accessories - Mirror, Hook,Magnet 1 x User Manual Warranty At DEPSTECH, every product enjoys a 1 Year Limited Free Warranty.

  • Color: 5M
  • Brand: DEPSTECH
  • ASIN: B07HH66N1M
  • UPC: 656699921319

Newest MOURIV MV-GMC201 2.4G Universal Lavalier Wireless Microphone System Lapel Mic with Real-time Monitor for DSLR Camera, Camcorder, IOS iPhone, Android Smartphone Phone, Tablet, Gopro 3,3+, 4

Newest MOURIV MV-GMC201 2.4G Universal Lavalier Wireless Microphone

Clarity of Audio Pick-Up The MV-GMC201 is an 2.4Ghz omnidirectional wireless lavalier microphone system that will pick up the main sound from any direction. Wide Compatibility The recevier is connected with 3.5mm audio plug which is compatible with most device such as DSLR Cameras from Canon, Nikon, Sony and also working with iOS iPhone, iPad, Android smartphone;Gopro hero 3 3+ 4 Friendly Design Compact design, lightweight body for easy carry around or clip on the belt Standard camera shoe mount and clip included alone with the carry case Power supplied by AA battery Specification RF Modulation: GFSK (Gauss frequency Shift Keying) Frequency band: 2.4GHz (2405-2478MHz) Frequency response: 35Hz-14KHz±3dB Signal/Noise: 76dB or more Distortion: 0.1% or less (32Ω,1 KHz,65mW output) RF output level:2 mW Earphone output level: 32Ω,65mW Reception sensitivity: -85dB +/- 3dB / 0dB=1V/Pa,1kHz Audio input connector: 3.5mm mini jack Battery life: Approx. 3.0 hours for both Transmitter and Receiver Receiver: 60 x 86 x41 mm (W/H/D) Transmitter: 60 x 86 x28 mm (W/H/D) Package 1* MV-GMC201 Transmitter and Receiver 1* Lavalier microphone 1* 3.5mm to TRS output cable 1* 3.5mm to TRRS output cable 1* 3.5mm to Mini USB output cable 1* Cold-shoe mount 1*  ...

  • Brand: Mouriv
  • ASIN: B075QBGK6J
  • UPC: 615068639583

Movo Smartphone Video Kit V2 with Grip Rig, Wireless Lavalier Microphone, LED Light & Wireless Remote - YouTube Equipment for iPhone 5, 5C, 5S, 6, 6S, 7, 8, X, XS, XS Max, Samsung Galaxy, Note & More

Movo Smartphone Video Kit V2 with Grip Rig,


  • Brand: Movo
  • ASIN: B07886159N
  • UPC: 817711021220

Etekcity Remote Control Outlet Wireless Light Switch for Household Appliances, Plug and Go, Up to 100 ft. Range, FCC ETL Listed, White (Learning code, 3Rx-1Tx)

Etekcity Remote Control Outlet Wireless Light Switch for

Take Control Over Your Outlets The Etekcity Remote Control Outlet Switch Kit works from as far as 100 feet and is great for switching on/off hard-to-reach appliances and devices without built-in power switches. It operates household appliances from across rooms and can be a great assistant to the mobility impaired. Save Energy and Money Many household electronics and appliances consume electricity even when not in use - wasting valuable energy and increasing your electric bill. Standby energy consumption can average up to $100 a year in unnecessary energy costs in a standard American household. By using this Etekcity Remote Control Outlet Switch Kit to power everyday electronic devices such as stereos, chargers, microwaves, and even christmas lights, it's easy to take control for the best energy efficiency. Specifications Power input: 120V/60Hz Power output: 1200W/10A (max) Transmission frequency: 433.92MHz Remote transmitter battery: DC 12V(23A) 1pc Power consumption: 0.6w What's included 3 x Etekcity Outlet Receivers 1 x Remote Control Transmitter 1 x 12V Alkaline Battery 1 x User Manual

  • Color: 3 Pack with 1 remote
  • Brand: Etekcity
  • UPC: 025706344852

Xbox 360 Wireless Network Adapter N

Xbox 360 Wireless Network Adapter

With increased speed, range and wireless security features, the Xbox 360 Wireless N Networking Adapter is your fastest connection to Xbox LIVE. Seamlessly download or stream HD movies, TV episodes, and games from Xbox LIVE Marketplace in full 1080p and 5.1 surround sound from anywhere in the house.

  • Brand: Microsoft
  • ASIN: B008K24BKU
  • UPC: 885370366761

Abs Stimulator,Muscle Toner,Abs Stimulating Belt- Abdominal Toner- Training Device for Muscles-Wireless Portable to-Go Gym Device- Muscle Sculpting at Home- Fitness Equipment for at-Home Workouts

Abs Stimulator,Muscle Toner,Abs Stimulating Belt- Abdominal Toner- Training

These gel sheets are for EMS 6 Pack Abs Trainer.  What is EMS Trainer? -- Generally, muscles act in response to signals from the brain. EMS(Electrical Muscle Stimulation) is a technology that uses electrical signals to directly stimulate and exercise the muscles. Gel sheets are consumables,replace with a new sheet at the following times: 1.Obviously feel the conduction performance decreased,cause decreased strength. 2.When it loses its adhesiveness, the adhesive surface(gel)dries out or is gouged or dirt/grime that cannot be removed exists. Package includes: 15 packs gel pads(30pcs) How to use:The side attached to the white paper should be attached to the gel pad.The side attached to transparent film should be attached to the skin. After-sales service:100% satisfaction guarantee warranty and friendly customer service.Please feel free to contact us if you have any problems.We will give you a satisfactory solution.

  • Brand: EGEYI
  • ASIN: B07M889QLT
  • UPC: 699990183765

Bluetooth Speakerphone - eMeet M2 Black Conference Speaker for 5-8 People Business Conference Phone 360º Voice Pickup 4 AI Microphone Self-Adaptive Conference Call Speaker Skype, Webinar, Phone

Bluetooth Speakerphone - eMeet M2 Black Conference Speaker

BLUETOOTH ADAPTER INCLUED 360°Far-field Microphone Coverage With 4 AI-self adaptive microphone arrays, M2 has a better voice sound processing capability, eMeet conference speakerphone offers large surround distance, which means you can talk to others in any direction. Users are able to hear and be heard in true wideband audio from 80 Hz to 20 kHz. Crystal Clear Sound Thanks To VoiceIA Audio Algorithm EMeet M2 Conference Speakerphone is equipped with an AI self-adaption system based on VoiceIA audio algorithm. includes Automatic Echo Cancellation (AEC), Automatic Noise Suppression (ANS), Automatic Gain Control (AGC) and Beamforming Technology which work together to provides you a crystal clear sound. Humanized Design This small conference speakerphone does care your using experience and make a lot effort in interactive process. For example, when you are talking to the speakerphone phone, there will be a vocal indication by the LED array. This indication will also show where the sound comes from which increase calling efficiency without asking again and again. The built-in dynamic equalizer let the business Conference Speakerphone automatically switches between voice and music modes, delivering the best sound and EQ for what the user is listening to. Freedom of movement 2500mAh...

  • Color: Black
  • Brand: eMeet
  • UPC: 767421770201

SKG Neck Massager with Heating Function, Wireless 3D Travel Neck Massage Equipment (White)

SKG Neck Massager with Heating Function, Wireless 3D

Why Choose SKG Travel Neck Massager?SKG places a high priority on the quality of travel neck massager adopts advanced technologies to provide you with the comfortable experience and protect your neck. SKG soft neck massager is suitable for game-lovers, office workers and elderly people. SKG cordless neck massager is the best choice for giving gifts to your friends and family.Easy Intelligent Operation1.Gently put on the SKG massager and let the them touch your skin2.Long press the power button to hear the prompt tone and then press again to start up3.Use the remote control to control, the remote control can be magnetically attached to the heat massager4.After 15 minutes neck massage, the electric massager will automatically shut down to effectively prevent excessive massage.3 Kinds of Massage Modes● Automatic mode for daily neck massage● Soothing mode for stiff neck● Vitality mode for chronic neck strainElastic Frame TechnologyThe carefully selected plastic material of this neck massager cordless frame features high elasticity, toughness and excellent rebound to fit different thickness neck.3D Suspension DesignWith the intelligent 3D suspension design, this neck massage equipment can 360° float to fit neck size and neck curve of different people.4-Point Fixed DesignWith th...

  • Color: White
  • Brand: SKG
  • ASIN: B07P5D2TH8

TaoTronics Wireless Barcode Scanner, Portable 2.4GHz Cordless Handheld Bar Code Reader with USB Receiver, Kit 32-bit Decoder, Anti-Interference, Mobile Moveable, Optical Laser, Short Range

TaoTronics Wireless Barcode Scanner, Portable 2.4GHz Cordless Handheld

TaoTronics, trusted by 1.3 million Amazon customers.

  • Color: Black
  • Brand: TaoTronics
  • ASIN: B00E0G2M6U

Digital wireless hydrometer and thermometer for smartphone or tablet (Black)

Digital wireless hydrometer and thermometer for smartphone or

This patented device drops right into your fermenting brew sending you real time specific gravity and temperature data to your smartphone or tablet during the entire fermentation process. This free floating combo hydrometer and thermometer transmits data to your iOS, Android, or Fire device via bluetooth. Once your smartphone or tablet is within range, the free Tilt app gives you up-to-date SG and temp readings right on your phone! The Tilt measures Specific Gravity between 0.990 to 1.120 SG, ideal for brewing or wine making. For advanced users, you can post this data to the cloud for free via Google Sheets. This allows users to create brew charts and graphs, showing you each beer's unique specific gravity curve*. Tilt provides a free template and instructions to get your cloud posting setup. You never have to open your fermenter or break another glass hydrometer again. The Tilt runs on CR123A batteries that are widely available. Batteries can last up to 3 months depending on the frequency of brewing. Bluetooth LE 4.0 and up, (requires iPhone 5s or newer or Android 4.3+), accurate +/-.002 SG and +/- 2 degrees F (typically), requires free app from App or Play store, data logging requires smartphone or tablet within close proximity (range ~25 feet), battery lasts 2-4 months, depend...

  • Color: Black
  • Brand: Tilt Hydrometer
  • ASIN: B06WVP11L2
  • UPC: 866846000204

MEFE Animal Immobiliser - USB Rechargeable, Wireless Animal Restraint (CAT 44IR)

MEFE Animal Immobiliser - USB Rechargeable, Wireless Animal

The newest model of our Animal Immobiliser represents the latest technology used in farming electronics, combined with the innovation and expertise of Mitchell Engineering. This is an invaluable tool to any professional animal handler - veterinarians, abattoirs, stock men, graziers and more. HOW DOES IT WORK? The Immobiliser delivers an electronic impulse that stimulates the animal's natural nervous system, causing the animal to become immobile for the duration that the pulse is applied, ensuring the safety of both handler and animal and allowing the required procedure to be carried out as efficiently as possible. The effects of electrical rectal probe stunning are temporary and immediately reversible upon cessation of impulse. The unit is to be used for the sole purpose of immobilisation for short periods of time. Can be safely used on other large animals including horses and camels, and is safe to use on pregnant animals. BENEFITS Immobilises the animal so any procedure can be performed efficiently and safely. Provides stress relief during procedures where anaesthesia is not possible or practical. Reduces stress for both animals and operators. Reduces accidents by minimising animal handling. Improves efficiency by reducing procedure time The Immobiliser is designed to safe...

  • Brand: MEFE
  • ASIN: B07JK5M19D

Lutron Caseta Wireless Smart Lighting Dimmer Switch for Wall & Ceiling Lights, PD-6WCL-WH, White, Works with Alexa, Apple HomeKit, and the Google Assistant

Lutron Caseta Wireless Smart Lighting Dimmer Switch for

Bring technology and style to your home with the Caseta Wireless In-Wall Dimmer; the dimmer that is compatible with all of today's bulb types, including dimmable CFL and LED, halogen and incandescent. The wireless dimmer gives you the ability to set the right light for any activity whether it's reading, watching TV, entertaining, or having a casual dinner. Conveniently control the dimmer with a Lurton Pico remote control, sold separately. Wall plate sold separately.

  • Color: White
  • Brand: Lutron
  • UPC: 789911869134
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