CSL CSC 100 User Manual page 10

3. Product details
Number Function
1 Volume Control
2 Next track
3 Mute microphone
4 Play/Pause
5 Equalizer
6 Previous track
7 Microphone port
8 Headset port
9 Headset port/audio port
USB ports (if a USB headset is connected, then the EQ button,
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microphone button and the volume control will not work)
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English