http://www.cromaretail.com/Microsoft-6PL-00005-
Product Description
4-way touch scrolling for navigating up, down, left and right
Designed for comfort and portability
Works on virtually any surface with BlueTrack technology
Wireless bluetooth connectivity – no transceiver required
Works with many Android tablets
comparision
2500 http://www.snapdeal.com/product/microsoft-l2-sc…
2315 http://www.flipkart.com/microsoft-sculpt-touch-…
2899 http://www.amazon.in/Microsoft-Sculpt-Wireless-…
2699 http://www.ebay.in/itm/like/181762773033