MOTORO Ultra-Portable Bluetooth 4.0 Speaker, Support Aux Line Connection Hands-free Work for iPhone iPad iPod Samsung Tablet Laptop and all other Smart Phones and MP3 CD Player (silver) 1.Rich, Full and dynamic Stereo sound. 2.Rechargeable Lithium Battery, for up to 8 hours play time. 3.Built-in speakerphone for picking up calls. 4.USB charging port charges your devices. 5.Compatible with most Bluetooth enabled tablets, laptops, MP3 players, and smartphones. 6.Direct music download from your computer to your TF card, via USB, including music playback 7.Support MP3/WMA/WAV audio file format breakpoint memory play 8.Built-in high-performance RDA Bluetooth chip modules , Build-in high performance 4.0 Bluetooth chip