What are the buttons for on the Sennheiser Presence?

Please note that the Presence headset is discontinued!

• One feature that you cannot see on the diagram is the mute function! You can mute this headset by pushing down both volume control buttons simultaneously!
• Multi-connectivity with your cell phone and computer (including dongle!) for seamless switching between tasks
• The sliding microphone boom doubles as an intuitive power button, making sure your headset never gets turned on by accident
• 3 noise-canceling microphones to keep your conversations professional everywhere
• Auto-adapts to environmental differences with WindSafe ™ so you don’t have to
• An extended talk time of up to 10 hours
• Comes with a premium carry case to protect your investment while traveling
• Up to 80 feet of range