... This product is a high-capacity portable digital mobile power with a bluetooth keyboard: usd imported high-performance polymer batteries, ... dual charger and backup battery, Bluetooth 3.0 transmission. With USB output, through choosing different output line by adding optional ... for mobile phones, game consoles, IPOD, IPHONE, IPAD, PDA, MP4, MP5, PMP, MID and other devices with USB charging any time ...