1、USB0 and USB0 four ports, which can be used by external U disk, keyboard, mouse, mobile hard disk and other devices. 2、4K high definition visual effect, high resolution, video and audio synchronization support three dimensional effect, restore the real touch. 3、Supports T flash card and storage card flash reading, which effectively solve the problem of no card reader slot in laptops. 4、The multifunctional interface expands one machine for multiple purposes, which can meeting the needs of different situations. 5、Upgraded one piece aluminum alloy material, effectively speeding up the heat dissipation of the dock and making it more stable. 1 x Docking Station Item Type: Docking StationMaterial: ABS, Aluminum AlloyModel: 33S11-RTKMain Control Chip:AG9311Interface: High Definition Multimedia Interface, 1 x USB 3.0, 3 X USB 2.0, RJ45 (Gigabit), VGA, PD, Audio, Storage Card Interface, T Flash Card InterfaceUSB 3.0 Transfer Rate: 5GbpsUSB 2.0 Transfer Rate: 480MbpsPD Power: 87W (Maximum)High Definition Multimedia Interface Resolution: 4K x 2K (3840 x 2160) 30HzVGA Resolution: 1080PAudio Interface: Approx. 3.5mm / 0.14inRJ45 Network Port Rate: 10/100/1000mWorking Voltage: DC5VApplication: Support All Type C Channel ComputersOperating System Compatibility: For Windows 8.1, For Windows 10, For OS X 10.10- 10.14