What You Get: ORICO USB 3.0 4-Port Hub x 1 instruction manual x 1 USB data cable (1.5M) x 1. If you receive cracked products or you are not 100% satisfied with our products, please feel free to contact our customer service. We will provide the best solution for you within 24 hours. Stable and Securely: USB splitter is compatible with Windows 10/8/8.1/7 / Vista / XP and Mac OS X, Linux and Chrome OS. Plug & play, no driver needed. With premium aluminum alloy material, it promises a durable use and enable to dissipate heat rapidly. 5Gbps Data Transfer Speed: Expand 4 USB 3.0 port for your desktop or laptop in seconds, transfer rates up to 5Gbps to allow data to move quickly between devices. and it's backward compatible with your older USB 2.0 devices. Extra Power Supply Port: This desk USB Hub with extra power supply port can keep your connected devices and data safe and other high-power devices worry-free. Moreover, the handy and compact design offers an ideal way to fast access to your USB devices anywhere. Clamp Usb Hub: ORICO USB Hub designed with adjustable screw allow you to mount monitor screen edge or desk edge thickness from 0.39 to 1.26 inches (10-32mm), without occupying much space and keeping your desk top neat. The fix Hub is easy installation and sturdy and rubber cover on the screw can protect monitor's finish.