... product is a high-capacity portable digital mobile power with a bluetooth keyboard: usd imported high-performance polymer batteries ... and backup battery, Bluetooth 3.0 transmission. With USB output, through choosing different output line by adding optional adapter, it can ... , PDA, MP4, MP5, PMP, MID and other devices with USB charging any time,anywhereSolutionAIRO1100Support OS1.windows2000,NT,XP,Vista ...