Noise canceling Microphone: The wireless phone headset with noise-canceling dual mic offer best-in-class noise cancellation to aid concentration in open office environments,ensure participants' voice be heard clearly. Comfortable & 525 ft Roaming Range: The weight is only 127g is half of the other stereo headsets, adjustment headband, and soft ear cushion, bringing a comfortable working experience.With roaming range of up to 525 ft, thru brick and metal and keep the call going. Crystal Speakerphone:The office wireless headset with a full-duplex speakerphone perfect work from home .if you get tired of wearing the headset, just swap it to the speakerphone and hang the headset up to charge. The audio quality out to the speakerphone is pretty good for speech or music. 3 Ways Connect: The Headset Base connect to PC, desk VoIP phones via included USB cable, and smartphones via Bluetooth. transfer both work calls and personal calls to the wireless headset workstation.Compatible with Yealink Desk Phones: USB Phone: T4XS/T4XU/T53/T5XW/T58A/VP59; Skype for Business Phone: T48S/T56A/T55A/T58A; Teams Phone: MP54/MP56/MP58.Poly desk phones VVX 411, VVX 401/501, VVX 250/350/450; SNOM desk phones D765 D385 D735. Wide Compatibility: Yealink WH66 UC Headset with noise canceling microphone is compatible with Zoom, RingCentral,8X8, AVAYA, and other leading conferencing platforms. with its easy plug-and-play USB connection and great sound quality, perfect for your important work calls and meetings.