II. Introduction of cover:
1.
Volume +
2.
Volume -
3.
Power on/off
4.
Front Camera Reset
5.
Indicator
6.
HDMI interface
7.
SD card interface
8.
MINI USB interface
9.
DC charger interface
10.
Earphone Jack
11.
MIC
12.
Loudspeaker
13.
Loudspeaker
14.
Back Camera
3
