- High efficiency output capacity of 6800mAh with two USB-A ports and one USB-C port - Easy and portable to take without a heavy bag to consider - Great external battery for electricity-saving function - While charging it will not interfere with phone calls or data streaming - Intelligent protection against over-charging, over-loading, short-circuit - Back-up power fast for your everyday mobile devices - Input - DC 5V/1A, Output 1 - DC 5V/1A, Output 2 - DC 5V/2.1A, and with LED lights indicate battery status