Features: brand new and high quality USB 3.0 HUB with SD / TF card reader. Supports Gigabit Net Prot. Supports 4K @ 30Hz output. It also combines SD and TF card slots, reading different kinds of memory cards, very convenient. The transmission speed of the USB 3.0 interface is up to 5gbps. Plug and for play, USB powered (no external power supply or battery required). Specifications: USB type: USB 3.0 Data transfer rate: up to 5gbps Resolution: HDM|: 4K 30kz USB port: 3 x USB Charging: 100W PD fast charge Card reader: for SD / TF card Color: for Grey Material: ABS for shell Compatible: for Linux Android for Windows XP / 2000 / Vista / WIN 7/8/10, for Mac OS, etc. Package Includes: 1PC x USB C Dock Station note: 1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color shown on the pictures. Thanks! 2. Please allow 1-3mm measuring deviation due to manual measurement.