Universal USB Type "A" Dock works with laptops that have a USB-A port also works with Surface Pro 7/6/5/4 Surface Laptop 3/2/1, Surface Book 3/2/1 and older MacBook's (Mac OS version 10 14 and later) with a USB-A port The USB-A cable (included) from your laptop to the docking station provides all the connectivity – so your displays and peripherals can stay at home or at the office – just attach the one USB-A cable and you're off and running 2 SuperSpeed USB 3 0 Ports (backwards compatible to USB 2 0) that support high-speed data transfer up to 5Gbps and phone charging 4 USB 2 0 Ports for peripherals like a keyboard and Mouse printers and other accessories Gigabit (10/100/1000) ethernet external headphone and microphone jacks with audio 2 0 for enhanced sound quality Dual Display resolution of up to 2048x1152@60Hz including 1080P video via HDMI and DVI Single display resolution of up to 2560x1600 @60Hz (including QHD 2560x1440) via HDMI add a third monitor using a USB-A to DVI Display Link adapter (Kensington part #K33974AM or similar) DVI-to-VGA and DVI-to-HDMI adapters included for greater monitor compatibility power supply included to power the dock and all the ports (does not supply power to a laptop) For Macbooks download the latest Display Link drivers from the Display link website Watch the video to the left for more information setup and usage