Hidden Spy Earphone Wireless Earpiece Headset microphone detection

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.
Features and Highlights
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.
IInductive loop (Work with cell phone)
The inductive loop which is used in conjunction with earpiece is one of the mobile phone!s accessories.
Its work principle is the same as one-wired mobile phone inductive loops.
Package Content:
1x Earpiece
1x Loopset
1x Battery - 337 SR416SW
1x Inverter from 2.5mm to 3.5mm