Button cell type super mini spy covert earpiece

Parameter:

• Earpiece size: Φ3×1.5mm
• Earpiece material: N48m magnet
• Audio response: 100~5,500Hz
• Related response: -125dB
• Working time of 2pcs of 9V batteries: 12hrs

What in the package:

• 2 * Mini earpiece
• 1 * Strong magnet
• 1 * Inductive loop (powered by 2pcs of 9V battery)
• 1 * 3.5mm jack (also works for iPhone) audio cable with microphone
• 1 * 3.5mm socket to 2.5mm jack audio adapter
• 1 * 3.5mm socket to Nokia phone jack audio adapter

Remarks:

• The earpiece is so small, please be cautious of putting it in ear.
• Use the strong magnet to attract earpiece out from ear.
• There are NOT 6F22 9V batteries in the package.

The smallest handset in the world, absolutely revolutionary innovation.

Applications:
The system was specially developed for  special cases where one needs to communicate secretly. The advantage is comfortable and easy to carry, compact size of the transmitter and headphones subminiature size, simple operation, commissioning, virtually impossible to detect. Extra small wireless earpiece and sensitive microphone micro transmitter allows to obtain all necessary information in real time, without anyone noticed it, or you can use it:
*Antiterrorismus, criminal evidence, law enforcement
*Radio-broadcast reporters
*conferences, film studios
*Bodyguards, Security guard
*an opportunity to help in the study / test / testing

Description:
This wireless headphone set is operated by an inductive electromagnetic waves from the transmitter and receiving device - a miniature headset that is designed to fit into the ear. Receiver - tiny handset requires no power.
This unique induction system is designed for covert communication. The kit consists of a headset (extra small size is placed in the ear drum, it is completely invisible), removal is recommended by the magnet.

Questions and answers:
1) How to wear headphones?
*Thoroughly clean and dry your ears   just before use.
*Lie down parallel to the floor, face upwards.  Gently insert the phone and let it fall into the canal. (Exactly as shown in the picture above).
*Slowly add volume, and it now can be communication
2) What Holds the hook out?
After use, be sure to take the phone out with a magnet.
*Place a magnet near the ear canal. Figure and light movements, try a magnet from his ear as if empty.
3) It is powered?
The handset itself do not need power to work, but the loop and the transmitter requires two pieces of 9V batteries.
4) The sound is a little loud, or I hear nothing, why?
*The traffic is loud enough to put the hook deep enough into the ear canal. The handset should be placed near the ear - the ear drum, or there is no sound or low volume.
*Make sure the output volume of your mobile phone / device is normal / maximum.
5) What is the sound quality?

*The sound is clear enough, is to understand every word, the volume can be adjusted to trasmitteru.   earphones but they are not suitable for HiFi music listening, the quality of the treble and bass is not very great.