Android 9.0 7 inch (1024 x 600) Capacitive Adjustable TouchScreen Optimal HD audio, Yealink Noise Proof Technology Dedicated Microsoft Teams Button Supports Upgradability of Firmware to Teams or SFBEdition Built-in Bluetooth 4.2 and Dual Band 2.4G /5G Wi-Fi Supports Yealink Bluetooth Wireless Handset BTH58 Supports up to 3 Expansion Module EXP50 2 x USB Type A ports Dual-port Gigabit Ethernet, supports PoE Supports Microsoft/Yealink/Unify Square DeviceManagement Platform Hybrid mode (Teams version only)