Product Feature 1.LED display ,Support FM full frequency transmitter ,handsfree, bluetooth MP3 play,dual USB charging ports function. 2.Support for Bluetooth
The device can detect battery`s voltage Supports 1. Bluetooth headset to answer, high-definition call 2. Bluetooth hands-free calls, built-in microphone,
Features: High durability aluminum casing with anti-scratch. Stylish design with fluorescent holder to strap onto swimmer goggles. USB rechargeable battery,