It is made of aluminum alloy material, anti-slip and scratch-resistant, durable to use. This 4 ports USB 3.0 hub provides multiple USB ports for mouse, keyboard, USB drive, portable hard drive and other USB device, very convenient for working on laptop or phone. Features -Color:Multi -Material: ABS. -Size: About 5.00X4.00X1.00cm/1.97X1.57X0.39in. - Makes a great to expand your laptop's usb 3.0 port into fours. - Suitable for keyboard, mouse, webcam, speaker, USB stick, printer, Desktop, Computer, PC, etc. - Saves your desk space,the handy and compact design offers an way to fast access to your USB devices anywhere. - All kinds of USB devices can be used. Small size, easy to carry when going out and working - , no need to install driver, easy to use, 4 ports can be used at the same time. Package list: 1 x hub