Get ready to play your favorite music anytime, anywhere with the Genius SP-920BT. It uses the latest Bluetooth 4.0 capability and is an ideal wireless companion for your smart mobile gadget -- be it your smartphone, tablet or laptop. The SP-920BT is built with two powerful speakers housed on two sides of the cube delivering a full range of 360° projected sound plus a passive radiator base driver subwoofer on the bottom pushing out exceptional bass effect. It offers up to 8 hours of continuous music playback and only requires 2.5 hours of battery charging. In addition, you won’t miss any important calls during music playback with a built-in microphone. With the compact size and elegant color design, SP-920BT is the best music companion to match your on-the-go style.