?Warranty & Support?You will get 100% brand new High quality 4-Port USB 3.0 Hub X 1 Support 30 Days Money Back Guarantee, 12-month worry free warranty to prove the importance we set on quality. ?Multiple USB Port? Turn one USB port into four, including support for USB Flash drive, Mouse, Keyboard, Printer or any other USB Peripherals. And it's backward compatible with your older USB 2.0 / 1.0 devices. ?Compatibility?: Reverse compatible with USB 2.0 and USB 1.1 devices. Forward compatible with USB 3.1/3.2 devices & ports at 3.0 speeds. Use with PC, MacBook, iMac, Mac mini, XPS, Flash Drives, X Box, & any other USB compatible devices. ?Compact & Portable?:The SNLLMZI USB Hub is even more lightweight and compact than a smartphone, making it easy to carry and perfect for travel, as well as for use in the office or at home. ?5Gbps Data Transfer Speed?:This USB hub 3.0 syncs data at blazing speeds up to 5Gbps, which is more than 10 times faster than USB 2.0, fast enough to transfer an HD movie in seconds. NOTE: This USB Hub doesnt support charging.