• Android 9.0• 5-inch multi-touch screen with 720x1280 resolution• Optimal HD audio, full duplex technology• Yealink Noise Proof Technology• 20-foot (6-meter) and 360-degree voice pickup• Built-in 12-microphone array for voice pickup• Built-in 1-microphone array for noise cancellation• Power over Ethernet• 10-way conference call• Hybrid UC meeting• Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n)