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please note that this is only earpiece, not full set, the buyer should have inductions then can work with this earpiece. if buyer don't have it, then can buy full set in our store. this AMK808 earpiece is perfectly working with our GSM card box. We also have other AMK earpiece models, like 258A, A818, which is the smallest size . if you need any other earpiece, welcome to contact us. 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. 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 PRODUCT DESCRIPTION On many occasions, you possibly don’t hope others notice your operating mobile-phone or sth like this. Only 6x10mm(min 5x7mm) the 205 Completely-in-the-Canal wireless earphone is designed to be entirely concealed in the ear canal. It is the ideal device for unobtrusive reception without cables or wires of any kind. It is a new generation of earphone.205 possibly is the tinyest wireless receiver in the world. Virtually invisible when worn, 205 rests deep in the ear canal. The covert Assembly offers the best communications solution at times when secrecy and privacy are of paramount importance. For example, Surveillance, VIP Protection, Investigation, etc. The technical specifications of individual components allow them to be used with a wide range of personal radios. In the professional security field, this new micro receiver will be highly appreciated by security forces and special army units.205 allows you to inform, command and alert your team, without them carrying visible. 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

User Guide: Installation： A: Intall the 337 battery to micro earpiece, plug in your ear. B：Cut GSM SIM card to Micro SIM card(like iphone4 SIM card size)，put it into the GSM car key slot, please check the correct direction. C:Place Gsm car key a right position to transmit audio signal to earpiece— distance is 0-70cm . D: Press the Power Button for 3 seconds, your will hear “system Start, please waiting” from your earpiece. press this button for 3 seconds again it will power off, you will hear“system Power off” from your earpiece E:You can press voice button to adjust the volume, three level(large,middle,small), when it adjust to large volume you will listen “di,di” sound in earpiece, press to change in cycle. F:`You can press Middle button to know the work status : If the yellow indicator lights, the machine is now power on . If no indicator lights, the machine is now power off. Now, install finished you can call the SIM card number in this this machine, you can listen and speak. Charging: Connect it to your cell phone charger or PC’USB port for changing via USB cable, during charging the LED will turn on RED, when is full will change to green. Learn More

1x Earpiece Set - One Spy Earpiece, One Battery SR416SW 1x Bluetooth Amplifier Loopset 1x USB Cable For Charging Learn More

Precautions: 1.The jammers are customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.Please read the jammer function before purchasing. 2.If the low power jammers(such as handheld jammers) to blocker high power signal device(such as high-power WIFI router, Bluetooth audio equipment, etc.), the effect will be poor or even can not jammer. 3.It is forbidden to use while charging. 4.Do not use handheld jammers as desktop jammers. 5.Do not use jammers before connecting the antenna. Jamming frequencies CDMA/GSM: 850-960MHz DCS/PCS: 1805-1880MHz 3G: 2110-2170MHz GPS: 1570-1610MHz WiFi: 2400-2485MHz LOJACK: 168-178MHz 4G: 2620-2690MHz or 2300-2400MHz Learn More

Parameters: Item Size:10.2cm*6.5cm*3cm Net Weight:120g Power source:DC 5V Recording form:WAV Packing size:15cm*11cm*5cm Gross Weight:340g Power:500MA Memory medium:SD card (8GB max) not including Package Contents: 1 * Mini Telephone Recorder 1 * Telephone Cord 1 * AC Power Adapter 1 * Manual Learn More

2017 Model GSM Neckloop Credit Card Earpiece Spy Bluetooth Kit SIM Covert Student Cheat Copy Exam Test ID Box Loop Surveillance Security Micro Invisible Loopset Hidden Mobile Portable Gadget Set Learn More

Just here the signal jamming device you are viewing here is the Newest USB Disk Mini GPS Jammer, which is designed to protect GPS signal and also the GPS signal tracking devices. Plug and play, usb interface,vechile use,streamlined fuselage design,fine workmanship,light weight and rich connotation,meet usb interface and android interface. Here this usb gps signal jammer can also OEM the frequency bands for you as well, if you have the need then just contact us and tell us your detailed requirements. Learn More

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