1、This product has a 1 interface with high‑speed transmission, which can easily read and write SSD and M2 hard drives. 2、This docking station has 4K30Hz, high‑definition HDMI output, and can connect to a variety of devices. 3、This product has a 60W ultra‑high power PD, for OS X will never go offline, do not worry about the problem of lag. 4、This docking station has built‑in cooling holes, which is small and not dense, stable heat dissipation, and higher security. 5、The product can support for OS X / Windows MST multi‑screen mode, which is more convenient to use. 1 x Docking Station Item Type: Docking StationMaterial: Aluminum alloyPlug: Double Type-C straight plug maleInterface:Dual HDMI: 4K at 30Hz, Support for OS X /Windows MST multi-screen modeDual USB 3.1: Supports up to 10Gbps, can read and write SSD, M.2 and other large-capacity hard drivesUSB-C: Support PD 60W power supply (without data)Memory/Small Memory Card Slot: Support single drive letter USB 2.0 card reader