High speed: 1 updated USB 3.0 ports, speed up to 5 Gbp/s, 2 downstream USB 2.0 ports, speed up to 480 MB/s. USB port expander: use the latest USB hub controller, no driver, plug and play, split your individual USB port into 3, one USB interface can be extended to several to work independently, easy to use. Sophisticated design: the mini hub weighs less than 1 ounce and is as portable as possible. Perfect for static use and on the go. The rugged exterior gives this hub incredible durability. Mini size: 5.7 x 2.4 x 2 cm, ABS plastic shell sandblasting process + high-quality aluminium alloy design are used to effectively accelerate the heat dissipation of products and make transmission more stable. Wide application: all USB devices can be used. Mobile hard drive, keyboard, mouse, U disk, card reader, USB radiator, MacBook, Mac Pro/Mini, iMac, Surface Pro, XPS, Notebook PC, USB flash drives, mobile hard drive, printer, scanner, mobile phone, tablet and other connected computers for data transfer or charging.