... , portable speaker, 2.0 channel speaker, 2.0 sound box, 2.0 sound speaker, sound box, home theatre2. compatible with USB drive, mp3, mp4 ... , mobile and laptop, etc3.Good sound quality Volume control4.Made ... M.S.:1W*2 ,Frequancy Response:45Hz--18KHz7. in colour box package, OEM order is welcome. we have designning department ...