1. IPX4 waterproof/sweatproof function.
2. Ergonomically designed, comfortable to wear, firm and not falling.
3. The stylish portable charging compartment provides 5 full charges for the earbuds.
4. True binaural wireless.
5. Hands-free calling function, safe and convenient.
6. Charging cabin battery capacity: 360mAh, 3.7V.
7.For iPhone, Galaxy, Xiaomi, Huawei, HTC, Sony and Other Smartphones.