1. Comfortable to wear without pain or falling off. Remove the deep silicone ear cap, the ear depth is just right for long listening without swelling and pain, say goodbye to the pain caused by earplugs and achieve painless wearing 2. High-definition sound quality starts from sound, listening to the world is so simple, professional listening engineers adjust to let you feel the real listening experience anytime, any e 3. weight Ergonomic, lightweight design, with lightweight material back hanging, five-sided arc fit head design ergonomic design has both weight balance, and shows the beauty of symmetry, comfortable and natural, no matter how you throw it, it will not fall off 4. Bone conduction headphones are open to both ears. When you use headphones for outdoor sports such as running, climbing, cycling, etc., you can well perceive the surrounding ambient sound, which improves safety. 5. Using skin-friendly and superior materials, waterproof and sweat-proof equation molecular-level for surface care , gentle and comfortable exercise Color: black or blue or orange Single set weight: 150g Packing method: boxed Single set contains: bone conduction headphonesx1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.