Product Overview
The Yealink WH66 Mono is a next-generation DECT wireless headset designed to improve productivity and communication in both office and home office environments. More than just a headset, the WH66 is a complete all-in-one workstation, featuring a 4-inch color touch screen, two-port USB hub, and built-in speakerphone.

Connectivity is simple and versatile — the WH66 connects to your PC or desktop IP phone via USB, and to your mobile phone via built-in Bluetooth. With the optional wireless mobile phone charger, your smartphone stays powered throughout the day.

The Mono variant features a single earpiece, delivering HD audio quality while keeping one ear open to the surrounding environment. With dual microphones and Yealink Acoustic Shield Technology, the WH66 Mono ensures crystal-clear conversations by filtering out background noise.

Key Features

• Single-earpiece design with HD voice audio

• 2 × microphones with Yealink Acoustic Shield noise reduction

• DECT wireless technology for stable, long-range coverage

• Up to 10 hours of talk time

• 4-inch color touch screen for intuitive call management

• Built-in speakerphone for hands-free communication

• 2 × USB 3.0 ports for peripheral connections

• Integrated Bluetooth for mobile phone connectivity

• 2.5 mm port for external busy light bar (optional)

• Optional mobile phone wireless charger integrates with base station

• Busy light on headset indicates call status

Benefits

• Flexible connectivity – Connect to PC, Yealink IP phones, or mobile devices

• Crystal-clear conversations – Dual microphones with Acoustic Shield technology filter out noise

• All-in-one workstation – Combines a headset, speakerphone, touchscreen, and USB hub in one device

• Efficient multitasking – Manage calls and devices directly from the 4” touch screen

• Wireless freedom – DECT ensures reliable and extended range connectivity

• Productivity focused – Optional busy light and wireless phone charging enhance usability

• Comfortable mono design – Keep one ear open to the environment while staying focused on calls