4-inch multi-touch screen with 480×800 resolution
Optimal HD audio, full duplex technology
Yealink Noise Proof Technology
20-foot (6-meter) and 360-degree voice pickup
Built-in 6-microphone array for voice pickup
Built-in 1-microphone array for noise cancellation
Power over Ethernet
5-way conference call
Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n)
Built-in Bluetooth 4.2
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