JT901 Invisible Wireless Mini Spy Earphone Sets

Specifications:
Mini Spy Earphone Wireless Hidden Cell Phone Earpiece
Compatibility : The earphone, together with the inductive loop work with mobile telephones, radiotelephones, to enable two-way communication.
They may also be used to play the sound using any portable sound player: an mp3 player, a Dictaphone, etc Size : 5x7x10mm
Shape : anatomical shape
Battery Life : 15h
Interference : <2%
Receiver type : magnetic/analogue
Maximum volume : 110dB
Battery : sony sr416sw/337
Package Size: 35.0 * 50.0 * 45.0 ( cm )
Approved: CE / FCC
After sales service: 1 year warranty

Accessories:
Emitter( loops )
Earphone
Earphone Adapter
Battery