Yealink UH44 UC USB Headset - Noise Cancelling Mic, Comfort Ear Cushions, Stereo Sound for PC/Laptop with Inline Controls, USB-C/A & Busylight-Black Black Dual UC USB-C/AYealink UH44 Professional USB Wired Headset with Dual Noise Cancelling Microphone. Designed for critical business communications, the UH44 computer headset with microphone features studio grade 35mm audio drivers and noise cancellation technology. Its dual microphones use advanced noise cancellation technology to ensure crystal clear call quality. UH44 DUAL UC USB C A