Features: 1.Open-Ear Design With an open ear design, bone conduction headphones use vibration to transmit sound through the cheekbone to the interior for balanced and clear audio and optimal volume, allowing you to enjoy music while still sensing the sound around you. 2.Waterproof Sports Headphones Open ear headphones with IPX6 waterproof rating standard certification, which can prevent sweat, dust, and moisture. With waterproof and sweatproof Bluetooth headphones even if you sweat during your exercise, and sports Earphones it is durable enough for you to experience a hassle-free workout. 3.Bluetooth 5.3 Technology Mpow bluetooth headphones come with the latest version of Bluetooth 5.3 chip to provide a faster more stable connection. For your first time connecting, press "X14" on your mobile device, and easily control your music and calls. 4.8-Hour Battery Life Enjoy up to 8 hours of music or calls without interruption. Wireless headphones 2 hours of charging, 240 hours of standby. 5.Lightweight & Comfortable Bone conduction headphones bluetooth weigh only 28g and feature a skin-friendly silicone-wrapped lightweight frame that can be bent and stretched without deformation and fits the head. Specifications: Wearing Type: Open-ear Net Weight (g): 28g bluetooth Version: V5.3 Supported Profiles: HSP/HFP/A2DP/AVRCP Transmission Distance: 33 feet (10m) Battery Capacity: 180mAH Charging Time: 2H Music Time: 8H Standby Time: 240H Waterproof: IPX6 Functions: Bluetooth/Hand Free Call Package Included: 1* Bone Conduction Earphone 1* Charging Cable 1* User Manual