FEATURES • Android 9.0 • 4 inch (800 x 480) Capacitive Touch Screen • Optimal HD audio, Yealink Noise Proof Technology • Dedicated Microsoft Teams Button • Supports Upgradability of Firmware to Teams and SfB Edition • Magnet Handset • Bluetooth Headset via BT41 • Wi-Fi via WF50 • USB Type A port, Supports USB Headset • Dual-port Gigabit Ethernet, Supports PoE • Supports Microsoft/Yealink/Unify Square Device Management Platform • Hybrid mode (Teams version only)