Specifications:
1) Power supply:
a) DC 6.0V (AAA x 4 batteries)
b) DC adapter: output 6V 350mA
2) Output power: 1W x 2
3) Frequency response: 200Hz-12kHz
4) Speaker: 50mm, 4ohm
5) Plug: 3.5mm
6) Suitable for all iPods, PC, MP3 players, and CD players
7) Excellent tone quality
8) Easy to take