What is a bone conduction? Bone conduction is a way of sound conduction which transfer sound waves through Cranium,bony labyninth,inner ear lymph fluid,auditory nerve,auditory center. We can hear the sound using bond conduction every day.
Bone conduction technology Speaker:Comfort ,Security,Health,Handsome and Fashion;Glasses of the lens can be demolished. And provide free transparent lens mold for Myopia&Older.
Bluetooth4.1 smart phone:Standard effective transmission distance:10M.IP67 waterproof.
Battery: rechargeable lithium battery (250mAh/3.8V), Charging time:2hours, Standby time:300hours, playing music about 3-4 hours (depending on the volume and sound source varies), continuous call about 4-5 hours.
Compatible with Smartphones Iphone,Samsung,LG,HTC,Xiaomi,Huawei,Blackberry,Android Windows.