tSpecification: wearing method:head-mounted communication function:support battery:250MAH color:black interface:USB3.0 size:137.3*123.66*49mm/5.4*4.9*1.9in Support mode:A2DP,AVRCP,HSP,hfp bluetooth:4.1 charge:DC5V 150MA standby time:about 10 days battery:250MAH Keep playing time:about 8h
Characteristics: -Bone conduction technology uses vibrations applied directly to cochlea. -Bluetooth connect easily; Suitable for most bluetooth enabled devices. -Open fit ensures unsurpassed ambient noise awareness and enhanced comfort. -It can achieve clear sound reduction in a noisy environment, so to the ears and back to the sensitive sound function. -Wireless headphone headset provides handsfree / answer and music listening in driving, riding.