Bone Conduction Bluetooth Headphone

 - bone conduction technology

 - protect from hearing loss 

 - safe on road with awareness of surroundings

 - comfortable to wear for long time

 - IPX6 waterproof

 - compatable with all smart phones

 - Bluetooth 5.0

 - battery capacity: 230mAh

 - charging time: 2 hrs

 - play time: over 6 hrs

 - standby time: 220 hrs

 - material: ABS + PC + titanium alloy band

 - super light weight at 35g

 - size: 100 x 134 x 50mm