Features Rechargeable 10,000 mAh Battery With up to 10,000 mAh of battery, this power bank provides several times extra battery life to your phone or tablet. Fully recharged in about 5.5 hours with the included Micro-USB cable. Detachable Lightning Cable Micro-USB Cable Apple MFi certified Lightning cable and the Micro-USB cable are detachable and interchangeable. Either of them can be attached to the power bank for easy storage. Fast Charging Speed Dual USB ports (output up to 2.1A and 1A, respectively) enable you to charge two devices simultaneously with a total output current of up to 3.1A. Compatible with most smartphones or other mobile devices with a Micro-USB port or Lightning port. Superior Component Adopt high quality lithium polymer battery and premium circuitry to ensure superior performance and reliability. Safe and Reliable Short-circuit, over-charging, over-discharging, overheating, over-voltage and over-current protection keeps you and your devices safe. Integrated 4 LEDs indicate the battery level and charging status. Ultra-Slim and Portable Incredibly compact, slim and lightweight design makes it easy to carry. It can be easily put into your wallet, pocket and bag.