About this item 【Designed for Swimming】Ergonomic design locks firmly the auricle, don’t worry about falling off during exercise. Unbelievable comfort, the titanium alloy wraparound is flexible and fold, also compatible with different head sizes.(BLUETOOTH MODE NOT AVAILABLE WHEN SWIMMING) 【Open-Ear Design & Hearing Protection】Innovative bone conduction headphones deliver premium sound quality through the bone, while this technology can protect your hearing well. During wearing, your ears remain open to the awareness of surroundings and no sense of pressure. Bone conduction headphones are more ear-friendly, painless bone conduction headphones that prevent ear damage for a long time wearing. 【IP68 Waterproof & Ultra-Lightweight】Ergonomic and pain-free designed and waterproof IP68, designed for swimming and can be used in water depths of up to 2 meters(TF Card Mode). Comfortable design for all-day listening during sports, running, and working. Titanium wraparound headband-made headphones weigh about 1.0Oz(27g) and are flexible to ensure maximum extended wear. 【7 Hours Play Long Battery Life】The bone conduction headphone's built-in 180mAh battery supports 7 hours of music play, the standby time is more than 180 Hours. 【Physical Button & Convenience Control】Bluetooth 5.2 technology can be stable and faster pairing to the devices and ensure wide compatibility with iOS and Android Bluetooth-ready smartphones or tablets and laptops. Physical buttons during exercise enable you to operate quickly and accurately and to achieve functions of Play/Pause, Volume+/ Volume-, Previous/ Next song, calls answer/reject, etc. › See more product details