Yealink Touch-sensitive HD IP Conference Phone Optimal HD audio, full duplex technology Yealink Noise Proof Technology 20-foot (6-meter) and 360-degree voice pickup Built-in 3-microphone array.

Sensitive touch keypad 3.4” 240×120-pixel graphical LCD with backlight Power over Ethernet
5-way conference call Hybrid UC Meeting Built-in Wi-Fi (2.4GHz/5GHz,
802.11.b/g/n/ac) Built-in Bluetooth 4.0 Local USB call recording Local 3-way
PSTN conference via Yealink CPN10