Yealink MP50 for Microsoft Teams. Product type: IP Phone, Product colour: Grey, Handset type: Wired handset. Operating system installed: Linux, Compatible products: Microsoft Teams. Display diagonal: 10.2 cm (4"), Display resolution: 480 x 800 pixels, Graphical user interface (GUI) language: Multi. Bluetooth version: 4.2+EDR. AC adapter input voltage: 100 - 240 V, AC adapter output voltage: 12 V, AC adapter output current: 1 A