About This Item:-It provides the fastest 2.1A charging speed, high charging efficiency and short charging time.-With 4 built-in cables (Type-C, micro USB, For Apple, USB), and 2 USB A ports, you can charge multiple devices at the same time.-Used for various electronic devices with USB ports, it can charge all smartphones (such as iPhone, Samsung, Huawei, Xiaomi, etc.), MP3 players, MP4 players, Bluetooth headsets, etc.-Built-in advanced intelligent protection system to protect the device from over-current, over-heating, over-charging, over-voltage and short-circuit.-With LED digital display, you can know the remaining power at any time and charge it in time.-With its slim and light design, it can be easily put into your pocket or bag and carried at any time.