It's a 2.0 Ch USB Multimedia speaker with Best frequency response. It's has pure and elegant Sound Output & Conveniently portable. Compliance with acoustic and aesthetics rationale and it has a built-In Powerful Stereo Amplifier up to 355W PMPO, magnetically shielded, advance bass reflex design and you can simply connect it to your Notebook & PC and other compatible devices, Low Distortion circuit, true plug and play. You can also pair it with you Mp3/Mp4 and other music players.