Features: 5V 3A lithium battery digital display fast charging module; Portable mobile power supply board. Supports 3 USB cables with Micro/Type-C, USB 3 charging inputs Hold down the button after standby, LED digital display power supply. LED digital screen shows current battery power when charging. When discharging, the LED digital screen displays the current power, and the display saves about 30 seconds (double-click button to restore the display). After charging and discharging, the system will provide accurate battery instructions. Specifications: Material: ABS Model:HW-A45 Power: 5V3A Size: approx 15x7cm/5.9x2.75in Charging Port: Micro/Type-C USB Note: This module does not have fast charge protocol, so it is not really fast charge module. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-3mm measuring deviation due to manual measurement. Package includes: 1PC Mobile Power Supply Module