Power bank 1) 5V/2600mAh portable power supply for mobile phone, Min player, camera, etc. 2) Standard USB port ... forIpad/iphone/ipod/ Mobile phone/MP3/MP4/PSP/GPSSize20.3mm(diameter)Weight75gInput Charging Time3~4 hoursCharging speed for mobiles1000mAh/hours Accessory ... fields, etc.Most of our products passed CE, UN38.3, MSDS. 2600mAh Portable Power bank for Iphone 4,all kinds of Mobile phone