Apps
Wellcome to Crystal OS!
✕
Calculator
✕
9
8
7
+
C
6
5
4
−
⌫
3
2
1
✕
=
0
00
.
÷
Notepad
✕
Timer
✕
Settings
✕
Rotation speed:
1.0x
Alarm sound
Beep
Chime
Bell
Digital
Siren
Alarm volume:
70%
Test sound
TIME