RMS:2W(Total) Frequency response:250Hz?0KHz Magnet shielded: Yes Material of cabinet: ABS with painting Driver: φ40mmx2 Software: Xear 3D mini CD Included for virtual 5.1 sound effects Audio Input: USB(Support 1.1/2.0) Dimension of the cabinet:(LxWxH)130x62x20mm Power: USB input or DC adapter(Optional) Color available: Black ,Blue ,Silver