1. Type: Power Module
2. Input voltage: DC 3.7V-4.2V
3. Power: 2/2.4A
4. Working temperature: -5 to 45 degrees Celsius
5. Input interface: Micro USB/Type-c/lighting
6. Size: about 26x69x12mm
7. Support dual USB ports
8. Long press the button after standby the LED digital screen will display the battery
9. The LED digital screen displays the current battery level when charging
