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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

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

PRODUCT 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 2-3 hours talking time, or 48 hours Standby tim Induction distance to earpiece 30-80 cm Learn More

1.Undetectable Ear PieceSecretly Receive Calls 2.High Quality Bluetooth Hands Free 3.Simple to use and setup 4.Multi-Function Bluetooth device 5.Complete Communication Kit to help you cheat on tests . 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

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This Bluetooth inductive vest is more invisible than Bluetooth neckloop, which all components build inside of vest (when wearing vest, please take care of it, don't pull the vest because of inside with tiny copper ), and from outside cannot see the difference with normal vest, just wearing like normal vest The microphone was built below of shoulder part, so can get clear and loud sound even whisper The Bluetooth induction was built-in the bottom of vest, which it's easy to operate without noticing And the size of vest is XXXL, made of stretch cotton, which could fit all people 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: 870-880MHz GSM: 930-960MHz DCS/PHS: 1805-1918MHz 3G: 2010-2145MHz 4G: 2300-2400MHz WIFI 2.4G: 2400-2500MHz GPS: 1570-1580MHz VHF: 135-174MHz or 315MHz/433MHZ UHF: 400-470MHz or 420-480MHz or 450-470MHz Jamming radius Up to 40 meters Power supply Used after connecting the power supply Total output power 19W Operating temperature -10℃ to +50℃ Operating humidity 5% to 80% Device size 140mm*51mm*350mm Device weight 3200 g Learn More

Product description Hitti Hidden Camera Detector Features: *Signal strength indicator light to detect the signal source quickly *Low-voltage indication, built-in rechargeable battery *Sensitivity adjustment to expand or narrow the detection range *Laser Detection: Eyes can see all facing camera lens within sight through the host Windows *Detection mode: 1.Laser detection, 2.Vibration (Mute) detection, 3.Beep detection, 4.LED display detection. 5. Headset *With auto-detection function: carry the host, when the surrounding environment of eavesdropping devices, pinhole cameras, Casino gambling fraud, etc, the host in your body will be vibrate to prompt risk Specifications: Receive frequency range: 1MHz-6500MHz Laser detection Camera distance:10cm-10m (the naked eyes can identify red flashing) Radio wave detection Camera distance:5cm-l0m(the range depends on transmit power of the camera) Power in the 50mv-200mv Detection range: 30-50cm/50-200mv; 100-200cm/300-600mv; 300-800cm/800-1200mv Power: Built-in lithium polymer battery 280mAH Probe laser wavelength: 920nm Current Consumption: 8mA Package List: 1 * CC308+ Full-frequency detector 1 * Earphone 1 * Charger 1 * User Manual If you buy this product, please choose the seller Hitti, otherwise you may receive inferior products and instructions that you can't understand. Learn More

Included FREE gifts: What`s in the package? 100% Brand New Earpiece Kit 12 months warranty! 1x Earpiece 808 1x Bluetooth Loop set 1x Battery - 337 SR416SW 1x Charger for Bluetooth Loop set other Spy Device Learn More