【Super Compatibility Desin】Our portable charger is suitable for a wide range of electronic devices which have USB port,Universal compatibility with iphone (ipad and airpods) and Android smart phones, tablets, mp3/mp4 players,wireless controller and other USB-charged devices. | 【Super-Fast Charging Design】Fully charging the power bank takes only 8-16 hours with a 5V/2.1A charger , Built-in 4 LED indicators show the power left as 25%-50%-75%-100% and With 2 USB output ports (5 V/2.1A and 5V/1A ) portable phone charger can charge two devices at the same time, quickly providing enough power for your Phones and More. | 【Safe and High Quality Design】With built-in over charging, over-voltage, over temperature, over-current and short circuit protections, it'll automatically turn itself off when short circuit or overloading occurs, ensuring complete safety for you and your devices. | 【28600mAh High Capacity with Slim Design】Optimum size among the same capacity power bank,don't worry about hurricane season or your business trip or other outdoor activities needs. | 【Worry-Free Warranty】30 Days Money Back Guarantee and 18-Months Warranty.If you have any questions, please feel free to contact us.