1 | Home - Go to the home screen.
2 | Mic Off - Turn off the microphone in major video conferencing programs.
3 | Camera Off - Turns off the camera in major video conferencing programs.
4 | Volume Control - Mute, Decrease Volume, Increase Volume.
5 | Virtual Keyboard - Turns the on-screen virtual keyboard on or off.
6 | Screenshot - Captures the current screen.
7 | Battery Check - Displays the current battery level with LED color.
●:100~80%, ●: 79~30%, ●: 29~0%