High performance speakers for great audio quality.Rechargeable lithium-ion battery for extended play.Compact size; ideal for mobility and travel.Easy-to-use Power, Play/Pause and Volume controls.Built-in micro-USB port for charging The MobiTour Portable Wireless Bluetooth Stereo Speaker (Black); wireless and rechargeable for ultimate portability. Features high-performance speakers for great audio quality. The compact size makes it ideal for mobility and travel. The top-mounted controls provide easy access. Use the built-in rechargeable lithium-ion battery for extended play. And Aux-in jack for a direct connection to audio device. (Micro USB charging cable included).