Microsoft Modern Wireless Headset is a Certified for Microsoft Teams headset when you use it with the included Microsoft USB Link on your Windows 10/11 PC or Mac. The buttons and dial on your headset give you control of your Microsoft Teams meetings and calls right at your fingertips—all in a wireless headset with great audio quality that’s comfortable to wear. And because it’s wireless, you can stand near your Windows 10/11 PC or sit down and stay connected. Microphone (flip up to mute) LED light Bluetooth pairing button Power Volume dial Microsoft Teams Answer/End call Mute Microsoft USB Link -Make a call. -Answer a call -Decline a call. -Join a meeting. -Mute yourself during a call or meeting. -Briefly talk when you're muted. -Adjust the volume during a call or meeting. -End a call or leave a meeting.