Artis S21 2.0 USB Multimedia Speaker

1 . 2.0 USB Multimedia Speaker with wired Volume Control
2 . Enhanced Low Frequency Effect
3 . Speaker Output: 3W x2 = 6W RMS
4 . Speaker Unit : 50mm x 2
5 . Sensitivity : 3.5mm Jack
6 . Power: 5V USB
7 . Frequency Response: 60Hz-20KHz
8 . Dimension : 225mm x115mm x 110mm
9 . Product Weight: 400 g