Features for 4 port usb hub with switch button:

1.2.0 high speed 

2.This 4 port USB hub is the ideal companion for laptop or desktop computer.
3. Data transfer rate:1.5Mbps/12Mbps/Up to 480Mbps
4.Great on laptops with hard to reach USB ports
5.Ideal USB expansion for portable use on the road or at home.
6.Perfect for connecting USB 1.1 or 2.0 peripherals such as USB mice, USB Portable Hard Drives, USB CD-R/RW or DVD-ROM drives and USB 1.1 hubs!
7.Allows simultaneous operation of up to four separate devices all attached to a single USB port.
8.Plug and Play
9.Supports Windows Vista, Windows XP, 2000, 98, and Mac OS 8.6 and higher
10.Compatibility: Compatible with all PC/Laptop with USB port

 Product Pictures for 4 port 2.0 usb hub with switch button: