The top loading port gives you easy access for quick,temporary connections of USB thumb drives,media readers,small accessories such as USB lights fans,the Apple iPod shuffle, more. Connect a modem,USB printer,scanner, HD to one convenient USB HUB. This USB 2.0 hub ,adding four USB 2.0 ports to your device. 2 USB peripherals to your computer save desktop space This 4-port hub is backwards compatible with USB 1.1/1.0 device,with Windows 10/8/8.1/7 / Vista / XP Mac OS X, Linux Chrome OS. The 2-port hub supports cascaded installation with other USB 2.0 hubs, Multiple USB 2.0 device connections - a scalable solution for connecting multiple USB devices. The compact-designed portable HUB Tuck this lightweight gadget into your bag or pocket to do a business trip with your laptop NoteBook, or exp your desktop with more available USB peripherals.