Portable Stereo Bluetooth speaker with Voice Confirmation. Highly portable allows you to take the music with you wherever you go. Wireless Check In for effortless pairing with NFC equipped devices. Vertical and horizontal configuration. Altec DSP Audio Enhancement technology for optimum music playback. Sleek portable easy to carry design. 4 x 2" Full Range Neodymium Drivers. 4 x 2" passive radiators for enhanced rich bass. 3.5mm Aux in connector for added device compatibility. Built-in rechargeable Li-ion battery (10 hours battery life).