1. Working distance: 10m.
2. Compliance with Bluetooth V2.1.
3. Super pure and loud sound.
4. Power output: 2W.
5. Built-in rechargeable battery.
6. Hands free function, reply for calling.
7. Waterproof design with sucker.
8. For iPhone, Galaxy, Sony, Lenovo, HTC, Huawei, Google, LG, Xiaomi, other Smartphones and all Bluetooth Devices.