Open Ear Headphones: Open ear headphones reduce pressure on the ear canal and are clean for daily use. With bone conduction technology, good quality audio is transmitted through the cheekbones for a comfortable listening experience IPX5 and Sweat Resistant: With IPX5 certified, these bone conduction sports headphones provide reliable protection for daily commuting and can be used for sports without worrying about damaging the headphones in any weather during your outdoor workouts Bluetooth 5.3, Smart Recognition: This open headset adopts bluetooth 5.3 technology, low latency, long range, strong anti-interference, the connection range can be used without any obstacles within 15 meters. With multi-functional buttons, bluetooth connection will prompt connected and battery low Comfortable and Lightweight, Easy to Use: This headset weighs only 29g, the weight is easy to carry, with skin-friendly design, ergonomic, wear a snug fit in the ear compatible with eyeglasses, long time w