Technic Parameter：

driver unit:Φ10mm

speaker impedance:16ohm

speaker sensitivity:104±2dB S.P.L. at 1KHz

frequency response:20Hz-20,000Hz

maximum input power:10mW

cord length:1.2M

plug type:3.5mm stereo

Product  Features：

High quality stereo sound
Holds firmly to your ears and filters outside noise,
Enjoy your music with Bong effect and very Safe to use.
Input 3.5mm/2.5mm Stereo Plug
RoHS and customer logo compliant
Perfect use for iPod, MP3 and MP4