Features: Adopts advanced BT4.2 technology, easy to pair with most BT-enabled devices(like for iPhone/iPad/Android phones/tablets/laptops, etc), supporting 10m transmission distance. Multi-functional speaker allows to switch modes amongBT mode, TF card mode and U disk mode, providing multiple modes for music enjoyment. It willbring powerful stereo sound, allowing you enjoying extraordinary music experience. Supports FM radio to provide you much convenience to know all kinds of news. Built-in HD noise-cancelling microphone for convenient hands-free calls, and it will offer clear communication effect. Built-in rechargeable Li-ion battery and you can charge it via connecting the USB cableonce the battery has run out of power. Easy to control the buttons to power on/off, pause/play music, adjust the volume, switch previous/next songand answer/hang up call.