•Technological parameter: waterproof, prevent fall off, dustproof •Firm, small and easy to carry, overs most of the digital devices, intelligent protection circuit design provides over-charge, over discharge and short circuit protection •Voltage: 5V/2A + 5V1A •Capacity: 3000mAh, 4000mAh •Materials: PC plastic board +polysilicon •Colours: blue, green and yellow (OEM optional) •Dimensions: 142*75*13.5mm •Accessories: USB cable, user's manual
