abcGOODefg&reg; Business Single Ear Headset Wireless with Boom Microphone Noise Cancelling for Office Computers Phones, etc. Superior Noise Cancellation technology (crystal clear conversation) All devices with Bluetooth headset connection, including game consoles computers, cell phones, etc. Support multipoint connections, can connect with two mobile devices at the same time With one touch call answer/end Over-the-head design with booming MIC