- 4.0 inch (480 x 800) capacitive touch screen - Yealink Acoustic Shield Technology - 2-ports USB 3.0 hub - Wireless mobile phone charger - Crystal speakerphone - Supports busylight - Microsoft Teams compatible - Cell phone wireless charger optional (YEA-WHC60) - Busy light indictor optional YEA-BLT60 - Built-in Bluetooth 4.2 -NOTE: YEA-EHS40 is not needed when adding a YEA-WH6X headset to a Yealink SIP phone Bluetooth: Yes Call Control: Yes Microsoft Teams/Skype for Business: Yes Monaural or Binaural: Monaural Range - Feet: 394 Teams Platform: Yes Wired or Wireless: Wireless Color: Black