How does it work?

Earpieces are completely invisible wireless amplified  micro audio speakers and fit in your ear and are completely unnoticeable. This Spy Earpiece requires 337Battery. Which could last 3.5 – 8 hours depending on quality of the battery. T hey are active receivers that reproduce audio and get power from battery. The micro earpiece, once it is in your ear, cannot be heard by anyone else but you. Note: you can adjust volume by your hone or placing magnetic neckloop further from your ear.  This earpiece  compatible with all of our models including MP3 -SET…

Kit contains:

•  1 x Battery Powered Amplified Wireless Earpiece. Dimensions are 5 x 7 x 10 mm or 0.2 x 0.3 x 0.4 inch. Shape : anatomical shape
•  2 x 337 Sony Battery.
• Removal tool

Wireless invisible gsm earpiece Specification Compatibility : The earphone, together with the inductive loop work with mobile phones, radiotelephones. Device used for  two-way communication. They may also be used to play the sound using any portable sound player: an mp3 player, a dictaphone.

TECHNICAL DATA:

Peak Output                                                 115dB

Relative Limited Sensitivity Index            <80dB

Peak gain                                                      40dB

Equivalent input noise base                        30dB

Audio Range                                                  200~6400Hz

Operating Current (static)                             0.65mA

Operating time (SONY 337battery)              10 hours Standby
3~5 hours operating time
Weight                                                            0.8 gram