http://www.kobster.com/mouse/286-logite ... m600-.html SPECIFICATIONS Brand Logitech Dimensions 64 x 112 x 27.9 mm Features Responsive Touch Surface, Touch Sensitive Scroll Wheel, Scroll and Swipe, Six-to-one Power, Advanced 2.4 GHz Wireless, Storable Receiver, Up to 10 Meters Wireless Range, Mouse Programmable, On / Off Switch, Power and Battery LED, Nano Receiver Interface Wireless Model Touch M600 OS Supported Windows 7 Part Number 910-002709 Power Supply 2 x AA Battery Resolution 1000 dpi Technology Optical Warranty 3 Year Domestic Warranty Weight 68 g PRICE COMPARISON buytheprice - 3299 http://www.buytheprice.com/offers/172784 gadgetsguru - 3205 http://www.gadgetsguru.com/logitech-tou ... 15886.aspx naaptol - 3279 http://www.naaptol.com/mouse/logitech-t ... 81809.html bitfang - 3296 http://www.bitfang.com/ProductDetails.a ... hmB9Ll4%3D ebay - 3299 http://www.ebay.in/itm/Logitech-Touch-M ... 342wt_1139 hydshop - 3499 http://www.hydshop.in/products/Logitech ... -M600.html indiaplaza - 3779 http://www.indiaplaza.com/logitech-touc ... g08-10.htm snapdeal - 3249 http://www.snapdeal.com/product/logitec ... 600/215686 flipkart - 3460 http://www.flipkart.com/logitech-touch- ... fvxh6btdpw