Main Features:The third generation earphone ------ Air Conduction Open 360 Panoramic Sound ExperienceEar clip design ------ Only 12g and the design does not fit into the ear, providing a stable and co more→mfortable wearing experiencePulse DT3.0 ------ Directional sound transmission, automatically adjust the sound propagation angle48H playback ------ Support 1-hour fast charge, and use it with a charging case for 48 hoursBluetooth 5.2------ Low Power, Low Latency, Lossless Music TransferIPX5 Waterproof ------ Nano Water Resistant, Prevents Sweat, RainMore------ USB C, hands-free call microphone, hearing protection, touch operation, volume adjustment, CVC call noise reduction