4-Port USB Hub: Portable HUB Splitter, 4 in 1 Docking Station Multiport Adapter Dongle with USB 3.0, 3 USB 2.0 Ports for Keyboard, Printer, Laptop, Game Console. USB 3.0 is 10 times faster than USB 2.0, and the transfer rate is up to 5Gbps. Compatible with USB 2.0 and 1.1 . Supports overload voltage and current mutual protection functions. Sudden power-on can effectively protect the connected equipment and the HUB itself. Ergonomically inclined interface design, humanized technical considerations. Stable performance, and reliable. Plug and play, easy to install. model:TS41 Interface type: USB-A to USB2.0 x 3+USB3.0 x 1 Compatibility: Fully compatible with most USB devices, keyboards, mice, U disks, cameras, USB headsets, printers, USB cables, microphones, game consoles, USB fans, computers, laptops, etc. Weight: 38g colour: gray Material: metal Size: 78.5x29.5x12MM Package Contents: 1 x USB Hub Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.