Core Features: 8 inch (1280 x 800) capacitive adjustable touch screen Optimal HD audio, support Yealink Noise Proof technology Based on Android 7.1 HDMI for connection to monitor or TV 2 mega-pixel HD camera with privacy shutter Built-in Bluetooth 4.2 Built-in dual band 2.4G/5G Wi-Fi USB 2.0 port Dual-port Gigabit Ethernet, PoE support Full-duplex hands-free speakerphone with AEC Microsoft Teams-tailored user interface Support Microsoft/Yealink/Unify Square device management platform