1. Usb Hub: instantly four USB 3. 0 Ports to for , , Pro/ Mini, surface Pro, XPS, notebook PC, mobile HDD and more.2. [High-speed transmission] The standard USB3.0 theoretically can you with a high-speed transmission speed of up to 5Gbps, and videos, photos and files in seconds. Greatly your work efficiency. The theoretical speed of USB2.0*3 is 480Mbps. There are 3 USB2.0 ports as standard, which can meet your multi-port expansion needs.3. [Ultra- and lightweight] 4-port USB hub is made of high-quality aluminum, sturdy and durable with good heat dissipation. And you to save space, even , it looks great and tidy, with fewer connections, which is also helpful when moving a laptop. suitable for family, office and business travel.4. [Powerful ] The is powerful enough, suitable for fast transmission without delay. Supports connection of 4 USB ports.5. [Plug and Play] No need to install, use this all-in-one USB hub to instantly expand your connectable peripherals. Product name: USB hubModel: J-UH302Interface: USB to 4 PORT USB3.0Transmission rate: 5Gbpssize: 10 x 2.5 x 1.5cm Material:PVC+metalcolour:black Package Contents:1 x USB hub Only the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.