Description: Widely compatible with all BT devices, Support 3.5mm aux cable connection. Perfect for connecting to your desktop PC to enjoy music and play games. Dual channel and dual loudspeakers, combining with DSP technology make stereo and louder sound, let you enjoy the subwoofer. A rotary knob at the top of the speaker is designed to adjust volume easily. 3.5mm aux, plug and play, no other drive required. Power supplied by USB cable, easy to use. Mini sound bar with compact design, don't occupy too much space on desktop.