MediaRange active speakers are perfect for computers and notebooks in the office or at home. The compact speakers with volume control are bus-powered.- Interface: USB 2.0 and 3.5mm jack plug- Bus-powered: Power supply via USB socket on the device- On-/Off switch- Volume control- Output: 2 x 3 W- Frequency Range: 180 - 20000 Hz- Plug & Play- Color: black