this our second generation bone conduction headphone.
vibrations through your cheekbones to your inner ears,delivering sound without plugging or covering your ears.
Sound waves travel directly to the cochlea, bypassing the eardrums completely.
It is an alternative for anyone concerned about potential hearing damage caused by traditional headphones and ear buds
this is a possible and save way to tune in to music or voice communication without tuning out the world.
Frequency Response Range : 20HZ~20KHZ Ways to wear : pmx Playback time :up to 6 hours Output mode : Dual mono stereo Charging time : 2 hours Standby time : up to 10 days Communication distance : 10 m ( 33 ft ) Bluetooth version : 2.1+EDR Compatible Bluetooth configuration : A2DP,AVRCP,HSP,HFP Speaker sensitivity : 100 3DB The MIC features : Dual Mac noise reduction Microphone sensitivity : -40DB vs 2DB Weight : 41G