Unlike traditional wireless earphones, conducted advanced bone conduction technology, which delivers audio through the cheekbone, keeping you connected and aware of your surroundings. This waterproof lightweight sport headset will bring you unimaginative comfort and keep aware of the sound in your surroundings while enjoying the headphones, especially for outdoor activities. This wireless bone conduction headphone can not only make signal transmission more stable and faster but also effectively improve sound quality. It can eliminate multi-level sound wave transmission and achieve clear sound restoration in a noisy environment, while also being able to hear outside sounds, making your life safer. It is a great idea for listening to podcasts or outdoor activities like running, hiking, cycling, especially when you want to keep situational awareness. Size: 15*13*4.8CM