Simultaneously charge two smartphones. Perfect Phone Partner: Keep your devices charged at the office, around town, or on vacation with this premium dual-port power bank. The slim form factor ensures an easy and comfortable fit in your pocket or hand. Slimline Design: Great feel in the hand or fit in the pocket with your phone. Slimline, lightweight unit. Universal Compatibility: Designed to work with all popular USB-powered devices from iPhones to Android phones, tablets, wireless speakers & headphones, photography gear, and more. Whatever USB-powered gear you've got, we've got you covered. Package include:1* power bank.Safety Protection: Built-in multi-protection system protect the power bank against over current and short circuit. It'll automatically turn itself off when short circuit or overloading occurs. Certified Safe: safety system and battery cells ensure complete protection for you and your devices. Built-in safeguards protect your devices against excessive current, overheating, and overcharging.