The screenshot can be captured by pressing the power button along with the volume down button at the same time and saved to the gallery on your device. (phoneradar.com)
Use the volume keys to highlight «Yes» on this menu, then press the power button on your phone to confirm your choice. (android.gadgethacks.com)
The charging function is activated by pressing a power button on the outside of the bag. (canadianbusiness.com)