The CyberPower USB Hi-speed 2.0 4-port Hub offers connectivity up to 480Mbps, which is 40 times greater than legacy hubs. Dual speed compatibility means this Hub works seamlessly with all your USB 1.1 and USB 2.0 devices. The CP-H420MP is powered via rechargeable batteries [included] that automatically recharge themselves when connected to a PC or laptop. Freely connect your USB devices such as: digital cameras, flash/thumb drives, personal printers, CD/DVD drives, mice, keyboards, scanners, IPods, or any other devices that is USB compatible.