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mini wireless 305 earpiece with louder sound Description: Mini wireless earpiece is a micro-mini wireless inductive receiver which transforms audio signal through electromagnetic induction. These products make the covert communication possible when it is inconvenient to expose earpieces. earpiece is widely used in many departments .Using this device;You can hear the voice from the person other side,and the person of the other side can also hear your vioce. How to use: Wear the skin color loop on your neck or under your close if necessary. Connect the port with your cell phone and talk to the microphone just like an normal handsfree set but totally with no wire apear. 1. Open battery door, install the battery perfectly and push battery door into battery box gently. Put the earpiece into ear canal by holding the handle and the slight sound of current indicate working order. 2. Adjust the volume of drive equipment to reach satisfaction. 3. Set mobile phone to automatic return or vibration. 4. Put the inductive loop around your neck (or bluetooth pen, glasses, loop, watch..ect diferent inductions)and connect the inductive loop to the drive equipments (mobile phone, radio) which are attached to or beneath users clothing. One transmits message with radio, the other wearing an earpiece and inductive loop who also has a radio can hear the message very clear. Because the inductive loop inducts the message from the radio to earpiece and then earpiece transforms the electromagnetic inductive signal to audio signal to reach the wireless inception. Communication distances and radio power are the direct proportion. You can communicate with others freely once network exist when you use mobile phone Hotspots: * Small, light, easy to conceal. * Comfortable for wearing with an optimum anatomic design. Work principle: Mini wireless earpiece is a one-way reception equipment driven by electromagnetic induction and is used in conjunction with drive equipments, such as radio and mobile phone. Structure: - Mini wireless earpiece consists of specialized chip, shell, faceplate, battery door, handle etc. 1.Battery door: Open battery door by fingertip, install the battery perfectly and push the battery door to battery box. 2.Handle: Clarity and high strength string help you to take out the earpiece from ear canal easily. Technical specification: . Mini wireless earpiece (306 earpiece) receives signal by inductive coil. across electromagnetic fields . Receiving distance: 20-40 cm . Standard Zinc-air battery: type 337 . Battery life: about 3.5 hours . Audio bandwidth: from 300 Hz to 4 KHz . Distortion: <2% . Size: 3x5x7mm . Working frequency: all frequencies . Distance between inductive coil and Mini wireless earpiece: about 20-40 cm What`s inside the box? 1 x 306 earpiece with box Learn More

Video format: AVI Video format: AVI Video Coding: M-JPEG Video Resolution: 1920*1080 Image proportion:4:3 Support up to 128GB TF card WIFI App : HDminicam Battery:3000Mah Playing Software: Operating system comes with or mainstream video player software Operating system: WinXP,Win2000,Windows Vista,Win7, Mac os, linux Learn More

Product Description The device is designed to protect conversation areas from eavesdropping. Device blocks wireless microphones, tape recorders, hard-wired microphones and most of professional digital voice recorders including recorders installed in mobile phones (smart phones). Ultrasonic inaudible noise signal, as well as acoustic speech-like noise signal, are used in jamming the eavesdropping devices. This product is in stock now, we guarantee shipping within 48 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, JammerFromChina. Manufacturer Specifications Shielding Objects Voice recording device as Cell Phone, Recording Pen, Audio and etc. Shielding Radius 0.5-1.5 meter Shielding Effect > 80% Shielding Angle Horizontal 90°/ Vertical 90° Battery Inside 6000 mAh / 12V (3 * 2000mAh) Product Weight 0.6 KG Product Size 142*74*29mm Packing Box Size 270*220*120mm Power Supply Battery Inside / AC Adaptor Working Current 0.3A Interception Mode Acoustic Interference Interception Strength 85dB Working Time 8 hours Working Temperature -30℃～40℃ Shell Material Metal Learn More

This GSM ID card (box) size is the same as ID card. The frequency is 850/900/1800/1900 Mhz so can work for all countries. The sim card slot only support micro sim card. The transmitter range from GSM card to earpiece is around 40-50cm, depends on which earpiece you use. Build-in high sensitive microphone. The inside indicator can show the on/off and battery power (when charging, the indicator will blink). When you charging this device, pls make sure turn on it, then can be charged! Learn More

• Mini wireless earpiece consists of specialized chip, shell, faceplate, battery door, handle etc.
  1.Battery door: Open battery door by fingertip, install the battery perfectly and push the battery door to battery box.
  2.Handle: Clarity and high strength string help you to take out the earpiece from ear canal easily.

• Mini wireless earpiece  receives signal by inductive coil.  

• across electromagnetic fields  

• Receiving distance: 50-70 cm  

• Standard Zinc-air battery: type 337  

• Battery life: about 5-8 hours  

• Audio bandwidth: from 300 Hz to 4 KHz

• Distortion: <2%  

• Size: 3x5x7mm  

• Working frequency: all frequencies

• Distance between inductive coil and Mini wireless earpiece: about 70-100 cm

Learn More

Jamms: 700-800, 850-965, 1800-1990, 2100-2170, 2400-2500, 2500-2700MHz Total Output Power: 14W Run Time: 24/7 - Two internal fans keep the unit cool Portability: Vehicular power cable also included Adjustable: Adjust the power output from zero (off) to max on each channel This is the most popular 4G cell phone jammer in our product line. Average Maximum Coverage Area : 50 Meters (depending upon local area signal strength) Learn More

Follow information you have to know before you contact us We only accept Western Union/Bank transfer payment method. We don't support retail selling,our mix order is 10pcs. We reject to send by any air mail post method, we only send by express company. we only promise send the order in 3 days ,but not when you can get the goods ,because that is depond on express company Our price is not include any your country customs import tax. If you get warranty items,please send them back for replace or change,we don't accept any dispute. If you don't accept these terms,please don't contact me ,don't waste your time. Product Description Feature Size: 85 x 50 x 4.5mm(L x W x H) Like an Mastr Card Weight: only 30 grams IMEI Unique New 4.5 W GSM Box No problem in any country Built-in induction GSM-ID-Card 85x50x4.5mm As a master card Only 30 grams IMEI Unique New 4.5W No problem in any country Built-in induction 4－６h talking time Manufacturer description: Once insert a GSM SIM card and turn on the power, it will automatically pick-up calls from any mobile phone or telephone. Two way covert communication via mobile phone networks Optimized inductive coil creates strong power for earpiece Size 85*50*4.5 mm ５ hours talking time, or 48 hours Standby time How does it work? The new developed GSM BOX has a built-in dual band GSM module that works in both of Four Band mobile phone networks. Once insert a GSM SIM card and turn on the power, it will automatically pickup calls from any mobile phone or telephone. The powerful inductive coil will creat strong signals to drive earpieces within 40-60cm distance. One pc 35db top sensitive microphone ensures your partner hear the whisper voices, even the GSM BOX is hidden under the clothes. GSM BOX has a builtin rechargeable 6０0mAh battery. supports more than 4－６ hours talking time, or 8 hours Standby time. what is included in tha packing? Learn More

Once insert a GSM SIM card and turn on the power, it will automatically pick-up calls from any mobile phone or telephone. ` Two way covert communication via mobile phone networks ` Optimized inductive coil creates strong power for earpiece Learn More

Android Phone OTG USB Infrared Night Vision Camera For Mobile Security Surveillance *Bring up an external Camera on Android device and use its display to view the live feed from the camera. *Support OTG Function:allow full compatibility with ALL OTG Compatible Android devices *Smartphones and tablets.Install CameraFi (free apps on Google Play),plug the camera and you are ready to go. *Smartphone are able to be supported OTG to recognize USB camera. *It works only for over Android Version 4.3 and doesnt work on Apple IOS Specifications: 1.Working system:OTG Compatible Android advice,Over Android 4.3 supported 2.APP:camerafi or USB camera, Free download from Google play store 3.Sensor:1/2.7" CMOS 4.Power :OTG 5.Image pixels:2MP 6.Image Format:YUV/MJPG 7.Audio:embedded microphone 8.Data Format:800*600,1280*720,1920*1080 9.Frame rate:640*480@30fps 1280*720@30fps 1920*1080@30fps 10.Camera control:auto/manually/saturation/contrast/acutance 11.White balance:automatically 12.Exposure:Average brightness 13.Sleep model current:<10mA 14.Working current:5V 150mA 15.Measure:30*42mm 16.Night vision light:850nm led φ3MM * 5pcs 17.Cable length:80CM 18.Storage Temperature:-20C to 60C 19.Working Temperature:-10C to 50C 20.Lens:exchangeable pinhole lens Learn More