Core Features: Android 13, 4 Inch (800 X 480) Capacitive Touch Screen, Optimal Hd Audio, Yealink Noise Proof Technology, Dedicated Zoom Button, Magnet Handset, Bluetooth 5.2, Dual-Band 2.4G/5G Wi-Fi, Usb Type A Port, Supports Usb Headset, Dual-Port Gigabit Ethernet, Supports Poe, Zoom And Yealink Device Management Platforms, Hybrid Mode.