【Teams Certified】 Microsoft Modern Wireless Headset for Business (Simplified Package) 8JS-00017: Home Use, Noise Reduction, Microphone, Binaural, Up to 30 Hours of Voice Calls, Web Conference, USB Dongle/Bluetooth (Black) Compatible with Windows and Mac 【High Sound Quality】 Microsoft's wireless headset provides clear sound quality, perfect for enjoying calls and music. 【Ease of Use】 Intuitive operation buttons make it easy to adjust the volume and mute the microphone. 【Convenient Accessories】 A USB adapter is included, allowing you to start using it immediately. - Brand: Microsoft - Type: Wireless Headset - Accessories: USB adapter, Instruction manual - Operation Buttons: Volume adjustment, Microphone mute - Color: Black Thank you for viewing.