usb speaker HW-SP-081.new design mini usb speaker2.attractive colors available3.professional digital audio play,clear sound. bass powerful4.magneticallyshielded and noise reduction design, minimizes high-frequency interference and the daming in the cabinets,making high quality sound with out distortion.5.frequency response curve design, cooerates fully with the magnetic shield inside the aluminum cap of the high fidelity bass.6.perfect stereo sound and active speaker7.plug and player,cute appearence