Bluetooth invisible earpiece spy earpieces

Bluetooth invisible earpiece spy earpieces Bluetooth Invisible Spy Earpiece,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
Smallest and low weight, easy to conceal
Comfortable for wearing with an optimum anatomic design
All skin color,more invisible,100% made in Taiwan,high quality
Work principl: Mini wireless earpiece is a two-way reception equipment driven by Bluetooth
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 (305 earpiece) receives signal by inductive coil, across electromagnetic fields
Receiving distance: 50-70 cm
Standard Zinc-air battery: type SONY 337
Battery life: about 5 hours
Audio bandwidth: from 300 Hz to 4 KHz
Distortion: <2%
Size: 3x5x7mm
Working frequency: all frequencies
Bluetooth (Work with cell phone)
The bluetooth which is used in conjunction with earpiece is one of the mobile phone's accessories.
How To Use:
1.Plug the battery into the earpiece
2.Set mobile phone to match the bluetooth
3.Adjust the volume of drive equipment to reach satisfaction

Package Content:
1x All-Skin Color Earpiece
1x buletooth,with charger
1x Battery - 337 SR416S