ENGLISH
BUTTONS LOCATION AND USAGES
1
LED display
2
Microphone
3
USB audio input
4
Previous / Volume down
5
Answer / End call / Play / Pause
6
Next / Volume up
7
5 V/2.4 A charging port
8
MicroSD card slot
9
Cigar plug
10
Negative pole
11
Positive pole
1
2
3
4
5
8
9
10
11
7
6
3
