Yealink WH66 Mono UC V2

Core Features: Yealink Acoustic Shield Technology Optima Audio Experience Touch Screen LCD: 4.0 inch 480 x 800 capacitive touch screen Multiple Devices Connection Speakerphone Mode Crystal speakerphone Builtin USB Hub: 2ports USB 3.0 hubQi Wireless Charger / Wireless mobile phone charger Customizable Busy light / Supports busy light UC Certified