Cost-effective Phone for Microsoft Teams • Android 9.0 • 4 inch (800 x 480) Capacitive Touch Screen • Optimal HD audio, Yealink Noise Proof Technology • Magnet Handset • Dedicated Microsoft Teams Button • Microsoft Teams-tailored User Interface • Supports Upgradability of Firmware to Teams or SFB Edition • 1x USB 2.0 port for USB headsets, Bluetooth dongle and Wi-Fi dongle • Dual-port Gigabit Ethernet • Supports Microsoft/Yealink/Unify Square Device Management Platform • Wall mountable • IEEE 802.3af PoE support, without PSU