LP-US20S4 (Patent No.200630019888.X) (This USB2.0 Art Acoustics uses World famous "Bathing Girl" as sound box) Beauty bath,deeply attracting. Splendid timbre,worth enjoying 1) Output power, RMS 2 X1.2W 2) Distortion, ≤0.3% 3) S/N Radio, 80db; Signal segregation ≥70dB 4) Frequency response, 120HZ?0KHZ 5) Size, 12' 6) Net weight, around 1200g 7) Gift box, 280X150X340mm 8) USB extend line, 1.2m 9) Quiescent current, 5 mA 10) Max. current, 500mA 11) Speaker, 2' 4Ω, 2Wx2(All-range antimagnetic)