Come and see our amazing products. Bone conduction headphones deliver sound through your cheekbone, without passing through the external ear canal, great to protect your hearing from long-term audio life.Perfect for people who like listening without the hearing damage.Bone conduction headphones allow you to hear sounds in your surroundings to keep awareness when you sport outdoor, avoid some dangerous situations from happening.You needn't insert the headphones in your ears.Bone conduction headphones are suitable for people who love outdoors activities, such as running, hiking, bicycling, etc;also suitable for people who usually wear headphones for a long time but need to prevent hearing loss. Pls confirm further with us if any query about packing info, inventory status and time schedule.