http://www.snapdeal.com/product/zebronics-serial-mouse-07-ps2/1245619 Price:- 125 Shipping:- 30 Cashback:- 66 Description of Zebronics Serial Mouse 07 (PS/2) Navigate through windows with unprecedented ease and speed with Zebronics Serial Mouse 07. The mouse is super high sensitive with 560 dpi. It features advanced opti-mechanical technology and has an ergonomic shape. You can super auto scroll without scrollbar/online zoom.