30-foot wireless Bluetooth v2.1 connection range. Lights flash festively when device is paired and playing. Play, pause, and change tracks right on the speaker!. Lithium polymer battery provides up to 3 hours of play time from a single charge. Built in microphone allows device to be used to conduct conversations when paired with mobile phone. Option of wireless or line-in connection. Retail-style box and charging cord included,for further information or search for similar products,please contact with our info center.