"Cost-effective Phone for Microsoft Teams • Android 13 OS • 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 • Built-in Bluetooth 5.2 and dual band 2.4G/5G Wi-Fi 5 • 1x USB Type A port, supports USB headset • Dual-port Gigabit Ethernet • Supports Microsoft TAC & YMCS • Wall mountable • IEEE 802.3af PoE support, without PSU"