Features:Brand new and high quality. Built-in battery, MICRO USB interface charge. Bluetooth music control function, play/pause,last/next. LED colorful light, changing color with different music melody. Use for Ipod/MP3 Player/Audio Player/Mobile Phone/Computer. Support bluetooth stereo, excellent sound quality,shocking low pitch. Support iphone, ipad and other kind of phone with bluetooth stereo function. Playing music time up to 4-5 hours, 10m voice frequency transmission distance. Built-in bluetooth wireless mode,which is comply with the newest bluetooth 3.0 standard. Bluetooth HF function, built-in HI-FI microphone chip,a click to answer a call, support FM radio. 3.5 stereo voice frequency input,connecting with notebook, digital music player, other audio and visual product easily.