1. Power LEDs - Blue LEDs when powered
2. USB 2.0 Port - Mini USB port for power & charging
3. Audio Output - 3.5mm headphone jack
4. Microphone Mute - Toggle Microphone on/off
5. Speakerphone Mute - Toggle Speakerphone on/off
6. Power Button - Power unit on/off
7. Microphone Swap - Swap between active microphones
8. Volume Up/Down - Control speaker volume
9. Wireless Receiver - Durable wireless receiver