The UH400 supports all USB devices including USB drives, mice, printers or any other USB device you want to run simultaneously. USB 3.0 ports offer transfer speeds of up to 5Gbps, 10 times faster than the USB 2.0 standard. USB 3.0 ports offer transfer speeds of up to 5Gbps, 10 times faster than standard USB 2.0. The 4 data transfer ports mean you don't have to switch between devices. Compact design with a retractable cable makes it an ideal USB HUB on the go. UH400's multiple protections avoid any potential harm to your connected devices no matter you're transferring data or charging devices.