http://www.snapdeal.com/product/portronics-just-inn-3-port/1291150996 Description of Portronics Just Inn 3 Port USB Hub and Card Reader Combo (Black) Portronics presents the Just Inn 3 Port USB Hub and Card Reader Combo (Black) - a portable device as small as a finger, specially designed for multitasking functions in today€™s era. It does not require any wires to be connected to the port and delivers high speed transmission upto 480M bits per second. It has an inbuilt LED light that indicates power. Portronics Just Inn 3 Port USB Hub and Card Reader Combo (Black) is extremely space efficient, as it allows 180 degree rotatability. This feature allows accommodation with all designs of laptops as it works well with both vertical and horizontal USB slots. It supports USB 2.0 and comes with plug and play hot swapping. Moreover, Portronics Just Inn 3 Port USB Hub and Card Reader Combo (Black) is very easy to install and use. It is compatible with latest operating systems like - Windows 7/ 8/ vistas, Windows 98/ SE/ ME/ 2000/ XP/ LINUX, MAC OS 9.2 and later versions.