Soonhua 8000mAh Dual USB Portable External Extended Battery Pack Power Bank Backup Charger For iPhone 6 Plus 5S 5C 5 4S 4 iPad Air Retina Mini Samsung Galaxy S5 S6 S4 S3 iPhone 5S 5C 5 6plus 6 (Blue) 8000mAh Portable Backup External Battery Charger USB Power Bank for Cell Phone Portable external power bank charger Repeatedly use of a single charge, portable design, convenient to carry Fit for cellphone, MP3, PDA and other digital products Environmental friendliness and economic efficiency Charging the battery through Micro USB port (Micro USB charging cable included) Provide the charging power supply for two devices through two USB output port at the same time