Invisible Earpiece

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Control Button: No
Style: In-Ear
Vocalism Principle: Dynamic
Communication: Wireless
Connectors: 3.5m

Invisible wireless earpiece receives signal by an inductive coil across electromagnetic fields
Require to be power by 2x Standard 9V Batteries.
Works with any mobile phone with a 3.5mm jack or with the use of an adapter (not included)
Effective distance up to 70-100cm
Super mini magnetic earpiece is the smallest earpiece in the world to provide wireless covert conversation functions.
Description:
Color: black + gold
Material: PVC + magnet
Role: invisible wireless monitoring headset
Audio: 300-4000HZ
Hour hand: <2%
Effective distance: 70-100cm
Compatibility: any type of mobile phone, MP3 and radio, accept 3.5 mm jack, plug and play
Power: 2 x 9V battery (not inside)
How to use: Wear and energize the collar, plug in the phone, carefully place the headset in your ear, and talk to other people through this system. You can adjust the volume from your phone.
Principle: Receive the signal through the inductance coil
Package Contents:
2 x Magnet Earphone
1 x Magnet Stick(for removing the earphone),
1 x Ferrule
1 x Audio cable