1.high capacity lithium polymer battery(3000mAH—6000mAH)

2. compatible ipad,iphone3G/3GS/4G, etc. The maximum time for playing is 8 hours.

3.provides USB output, can charge for other digital products while using ipad.

4. Input and output audio signal is 3.5mm stereo mini jack.

5. Audio output power is 2*3W, 4 sections LED power indicate functions 

6.Dimensions: 182*140*52mm    

7. with IR remote control