... EM-6600 3.Capacity:4400mAh 6600mAh 5V Portable Power bank Charger for iphone/ipad with double USB SpecificationsWeight: 150gCapacity ... a USB interface s,uch as mobile phone, iPhone, PSP, IPOD, MP3,MP4, PMP, GPS, Bluetooth, digital cameras. usb 5v battery portable power ... table battery pack 6600mAh 5V Portable Power bank Charger for iphone/ipad with double USB