The dock is perfect for use at home and on the road and comes with 4 ports for great connectivity, It also features a speakerphone that is great for meetings. Power Delivery is supported when the device is plugged in. 1 x USB-C 3.0 male (built-in 0.56 m cable) 1 x USB-C 3.0 female 2 x 3.0 Type-A female 1 x HDMI(A) female, monitor connection, max. resolution 4096 x 2160 at 30 Hz 1 x VGA female, monitor connection, max. resolution 1920 x 1200 at 30 Hz Only monitor connection can be used at a time Power Delivery 3.0 up to 100 W (15 W for the dock) Speakerphone with two omnidirectional microphones Call control keys work with UC software (+/- volume, answer/end call, mute) Compatible with Thunderbolt 3/4 Compatible with Windows 7, 8, 8.1, 10, 11, macOS 10.15, 11.0, 12.0, 13.0, 14.0, Linux 3.5.x and higher - LTS versions only ChromeOS Certified for Microsoft Teams, Zoom, Skype & Google Meet Colour: Grey Please note: Power supply not included. The dock can be powered using the notebook's AC adapter. Alternatively, you can use a StarTech wall charger (3114GCU-WALL-CHARGER).