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Yealink WH66 Mono UC DECT Wireless Headset

Mono DECT UC headset with touchscreen base, speakerphone, Bluetooth, long wireless range, and multi‑device connectivity for professional office use.

Yealink WH66 Mono UC DECT Wireless Headset

The Yealink WH66 Mono UC is a premium all‑in‑one DECT wireless headset system designed for Unified Communications environments. It features a comfortable single‑ear headband design, secure DECT wireless technology, a built‑in speakerphone, and a 4‑inch touchscreen base that serves as a communication hub for your PC, mobile device, and compatible Yealink desk phones.

With multiple connectivity options, integrated call controls, Acoustic Shield noise reduction, and optional accessories such as a wireless mobile phone charging dock, the WH66 Mono UC delivers a powerful, flexible workstation experience. Its long wireless range and extended battery life support all‑day productivity.

Features

  • DECT wireless technology
  • 4‑inch (480 × 800) capacitive touchscreen
  • Comfortable mono (single‑ear) headband design
  • Built‑in headset controls: mute, volume up/down, call answer/end
  • 320‑degree adjustable microphone boom
  • Two programmable feature buttons
  • Up to 13 hours talk time
  • Up to 90 hours standby time
  • 2.5‑hour full charge time
  • Wireless range up to 160 meters
  • Charging base includes built‑in speakerphone and microphone
  • USB‑A 3.0 port for PC/laptop/desk phone connectivity
  • Built‑in Bluetooth 4.2 for mobile devices or Bluetooth‑enabled Yealink desk phones
  • Supports connection of up to two Bluetooth devices simultaneously
  • Built‑in 2‑port USB 3.0 hub
  • Optional BLT60 busylight indicator
  • Optional WHC60 wireless fast‑charging mobile phone dock
  • Yealink Acoustic Shield Technology for background noise suppression

Specifications

  • Headset type: DECT wireless monaural
  • Wireless technology: DECT + Bluetooth 4.2
  • Range: Up to 160 meters
  • Talk time: Up to 13 hours
  • Standby time: Up to 90 hours
  • Charging time: 2.5 hours
  • Display: 4‑inch capacitive touchscreen (480 × 800)
  • Audio: Acoustic Shield noise reduction, HD voice
  • Controls: On‑headset call, mute, volume; touchscreen base controls

Connectivity

  • Connects to PC, laptop, or Mac via USB‑A or USB‑C
  • Connects to PC/laptop/Mac via Bluetooth (if supported)
  • Connects to compatible Yealink IP phones via USB‑A
  • Connects to compatible Yealink IP phones via Bluetooth (if supported)
  • Connects to smartphones/mobile devices via Bluetooth

Compatibility

  • Compatible with all major UC platforms and softphones
  • UC version not compatible with Microsoft Teams
  • Compatible with Windows and MacOS

Yealink IP Phone Compatibility (Direct USB‑A)

  • SIP‑T41S, T42S, T46S, T48S, T58A, VP59 (firmware V83+)
  • SIP‑T43U, T46U, T48U (firmware V84 SP4+)
  • SIP‑T53, T53W, T54W, T57W (firmware V84+)

Includes

  • WHB660 UC base station
  • WHM621 UC mono wireless headset
  • Power adapter
  • USB‑A to USB‑C cable (1.0 m)
  • USB‑A to USB‑A cable (1.0 m)

Equivalent Part Numbers

  • Yealink WH66 Mono UC

Documentation

Refer to the Yealink WH66 User Guide for setup and configuration details.