Premium Phone for Microsoft Teams* Android 9.0* 7 inch (1024 x 600) Adjustable multi-point Touch Screen* Optimal HD audio, Yealink Noise Proof Technology* Flexible Bluetooth Wireless Handset* Dedicated Microsoft Teams button* Microsoft Teams-tailored user interface* Built-in Bluetooth 4.2 and Dual Band 2.4G/5G Wi-Fi* 2x USB Type A port, supports USB headset* Supports Expansion Module EXP50 Coming Soon* Dual-port Gigabit Ethernet* Supports Microsoft/Yealink/U2 device m