Take your productivity to the next level with the Surface 3 Docking Station. Instantly transform your ultra-portable Surface 3 into a desktop PC and easily connect to your favorite accessories. Instant office Connect to your HD monitor, wired network, audio system, full-size keyboard, printer, and more, while charging your Surface 3 and accessories. Connectivity Technology: DockingDevice Supported: Tablet PCHost Interface: USB 3.0Audio Line Out: YesTotal Number of USB Ports: 4Number of USB 2.0 Ports: 2Number of USB 3.0 Ports: 2Network (RJ-45): YesMini DisplayPort: YesMicrophone: YesHeight: 5.8Width: 12.1"Depth: 4.6"Compatibility: Microsoft Tablet PCs: Surface 3 Surface 3 (4G LTE) "