Press it to decrease the volume.
7. MicroSD card slot
Allow you to insert your microSD card
to store your personal data files (music, videos, photos,
etc.).
8. Rear camera
Use to take photos and record videos. Keep
it clean for optimal performance.
9.Speaker
Use to listen to the audio from the selected
function (e.g., music, videos, sound clips, etc.).
10.Microphone
Use to record sound.
11. Touch screen:
Display application software interface
and interact with application software.
