ITEM NAME:Waterproof Office Wireless 5.0 Bone Conduction Headphone Earbuds Description: [A New Way Of Hearing] True bone-conduction headphones: You'll hear overtone leaky sound, but not external speakers. [OÑ€à µn ear listening -- healthy and safe] comfortable to wear for à ° long time.without damaging your hearing you can hear outside sounds while listening to music [ 5.0 and with 200mAh large capacity battery] 5.0 Low power chip More stable performance. [IPX4 Waterproof] IPX4 waterproof bone conduction headphone, avoid sweat caused by headset fault Feel free to apply to a variety of scenarios [Release your ears and listen to the world] Glasses also wear comfortable Suitable for Running, fitness, hiking, cycling, driving, express.[IPX4 Waterproof] IPX4 waterproof bone conduction headphone, avoid sweat caused by headset fault Feel free to apply to a variety of scenarios. 1x Bone Conduction Headphone. Speaker type: 9 13MM dynamic open type.