Verykool R80 - Manual (Page 14)

Indicating that silent mode activated
The mobile phone is locked
Indicating that earphone has been inserted
Indicating that the Bluetooth has been activated
Alarm has been set
Indicating current battery capacity
1.5.1 Keys
Functions of the keys are described as following:
SN Keys Function description
1
Left soft key
(LSK) OK; pop-up menu; short press in the
standby screen to enter the main menu.