Kensington's SD1610P USB-C Mini Mobile 4K Dock with Pass-Through Charging was designed for Microsoft Surface. Users can expand their mobile or desktop setup to include a full HD (VGA) or 4K (HDMI) display & connect & charge their favorite USB accessories. Whether in a temporary workspace or a conference room, the SD1610P keeps users productive & powered up. Built on USB-C technology & Power Delivery 3.0, users can connect with confidence knowing the SD1610P will let them expand their workspace, use their favorite accessories, & power their Surface at the same time (3 A / 60 W (or higher) USB-C charger required which is not included). The perfect mobile dock for Microsoft Surface Devices. For Use With: Microsoft Surface; Monitors; Projectors; Operating System Compatibility: Windows 7 & Later; Connector / Port / Interface: USB-C; Batteries Required: No.