Product Name: For Surface Pro 7 Docking Station USB Compatibility: USB3.0/2.0/1.0 HDMI: 4K 30Hz Compatible Systems: For All Systems Voltage: 5V 9V 14.5V 20.3V Input Port: USB3.0 Male, USB Type-C Male Output: USB3.0* 2, HDMI*1, Memory Card Reader*2 Product Size: 91.5*32*11.5mm Material: Aluminum Alloy - 4K HDMI-compatible Output: Support max 3840*2160/30Hz resolution - 2 Port USB 3.0: Up to 5Gbps data transmission rate - Memory Card Slots: Support 2 Memory cards reading at the same time, up to 100M/s - Compatible: Only compatible for Microsoft Surface Pro 7, not suitable for any other models Package Including: 1 x USB Hub For Surface Pro 7