AGPtek S1B Manual page 5

Buttons and Control
1 ON/OFF
2 Bluetooth/FM mode switch
3 Answer/Ignore/Hang up/Last
dialed call
4 LED display
5 Previous track/VOL-
6 Play/Pause
7 Next track/VOL+
8 Hands-Free MIC
9 Micro USB Port
10 Speaker
11 Vacuum Cupule
3