Plantronics Blackwire C720M - Headset features

5
Headset features
1 Right ear cushion
2 Adjustable headband
3 Left ear cushion
4 Noise-cancelling microphone
5 Mobile talk and Bluetooth on/off button
6 Volume up/volume down bar
7 Inline controller
8 Mute/unmute button
9 PC talk button
10 USB cable/connector
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