*Built-in Bluetooth RF wireless module, meets the latest standard 3.0.
*Support Bluetooth stereo sound, perfect sound quality, outstanding bass effect .
*Water,Dust and Sand Resistant.
*Power supple mode: Built-in lithium battery; USB cable power supply.
*Waterproof,hands-free call.and sucking disc.
*Convenient buttons for music and call control while in the shower, at the pool, or in the car.
*Playback Time :4 hours for playing music, 6 hours for calling.
Working Distance Range:10M (up to 32 feet).