Detailed Product Description This compact travel speaker system ideal for use at the office, home, or anywhere you go. You can enjoy high quality stereo sound produced from the Aluminum speakers. Cosmetically designed to match the IPOD, it will also work with any portable CD,MP3 player and walkman.When used with an IPOD, it will also act as a tand,it can be powered either through AC adapter or batteries. The unique fold-up design protects the speaks and makes it easy to carry around . Features: 1) Power supply: DC6.0 volts("AAA" x 4 batteries) 2) Or AC adapter: output 6v,800mA. 3) Output power: 0.9w+0.9w 4) Frequencey response: 200Hz-12kHz 5) Speaker:50mm speaker,4 ohms 6) Signal cable: 22cm STR, cord 7) Plug: stereo 3.5mm gold-plated L type