? Easy to Use & Quality Warranty?No driver or software is required, and the extra 4 USB ports can be used quickly. Keeps you away from the trouble of plugging& unplugging repeatedly.We provides customers with 30 days refund guarantee and 18-month unlimited warranty! Please contact us for an easy and fast solution with any problem. ?Wide Compatibility? This compact USB hub is very portable for work and travel. USB has the advantages of fast transmission speed, plug and play, etc., The 4-port USB data hub is compatible with Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X (10.x or above), Linux, etc. ?High-Quality Material USB Splitter? Made of high-strength Aluminum Alloy material, the USB Hub is robust, lightweight and easy to carry, and the cable is soft and sturdy for a longer service life. ?High Speed USB 3.0 & 2.0 Hub?1 USB 3.0 port, 3 USB2.0 ports. With USB 3.0,the data transmission speed can reach up to 5Gbps, and high-definition movies can be transferred within a few seconds.With USB 2.0,the transfer data rate up to 480Mbps, but they are more compatible with different devices,and the transmission data is stable and not easy to disconnect. ?Extension 4 Ports USB Hub?Expand one USB port to four,1 USB 3.0 port, 3 USB 2.0 ports.4-port USB Splitter simply helps you to connect up to 4 USB devices to your PC, PS4, Xbox or Laptop, such as external hard drives, USB flash drives, mouse, keyboard, USB headphone, speakers, printers,scanners,card reader, and much more USB devices.