Featuring Dual 3″ Passive Radiators with WaveSync™ Technology, wirelessly pair two speakers and play music through Bluetooth. Dual 3″ Woofers, colour changing accent lights that can be switched on or off. Audio inputs of Bluetooth, USB Drive Mp3 Player, and Micro SD Card Mp3 Player, 3.5mm Auxiliary. Cabinet is constructed of ABS material in a tubular shape and has hooks to connect a shoulder strap. 10+ hours playtime and lithium ion battery.