Features: 1.USB3.0: USB hub is compatible with devices such as PCs and laptops with USB ports. USB HUB includes 3 USB3.0 and storage and memory card reader slots. 2.Expansion Dock: USB3.0 hub can expand your PC and laptop USB ports into 3 USB3.0 ports for connecting USB interface devices such as mouse, keyboard, hard drive, USB flash drive, USB Bluetooth adapter. 3.High Speed Transfer: USB3.0 hub port and the card reader slot both support up to 5Gbps transfer speed, 10 times faster than USB 2.0. Perfect for transferring media files. Two cards can be read at the same time. 4.Easy To Use: USB splitter is plug and play, no driver required. Aluminum casing for rugged, lightweight, fast heat dissipation and more stable use. 5.Portable: USB splitter is easy to carry and easy to use and install. It can solve the problem of insufficient laptop connection for you anytime and anywhere during business travel. specification:Item Type: USB3.0 Hub Material: Aluminum Alloy Ports: 3 USB3.0 Ports, Storage and Memory Card Reader Slot Plug: USB PackageList:1 xUSB Hub NoteManual measurement, please allow slight error.