Amkette Air Wireless Optical(USB, Purple) @Rs 526 MRP 949 http://www.flipkart.com/amkette-air-wireless-optical-mouse/p/itmeabysgffgz3zz Advance 2.4 GHz Optical Sensor Technology Switchable Resolution of upto 1600 DPI Plug and Forget Nano Receiver Slim Design / Velvet Touch Smart Power Saving Battery
