?E 7 inch (1024 x 600) capacitive touch screen
?E Runs Android 5.1.1
?E Yealink Noise Proof Technology
?E Yealink’s SDK (Software Development Kit)
?E DoorPhone Features?(Preview, One-button Open, Monitoring)
?E Built-in Bluetooth 4.0+ for headsets and?pairing mobile devices
?E Built-in Wi-Fi (802.11b/g/n)
?E USB 2.0 port (2.0 compliant) for USB headset,media and storage applications
?E Opus Codec support
?E Up to 16 VoIP accounts
?E Up to 5-party audio conferencing
?E Stand with 2 adjustable angles
?E Wall mountable
?E Color-screen Expansion Module support