Compatible with all surface models. See Microsoft link for specific detials on compatability. Barely used Surface pen as well, one button with clip. 2x Mini Display Ports, 1x Gigabit Ethernet Port 4 USB 3.0 ports, 1x Audio out port Magnetic Surface Connect Cable High-Speed Data Transferring External power supply Excellent Condition https://support.microsoft.com/en-us/surface/identify-your-surface-dock-and-features-591c07f4-2784-24cf-6445-6fa059237461 https://support.microsoft.com/en-us/surface/identify-your-surface-pen-and-features-c82a0208-2e35-b347-dae0-d7f4922edc77