http://www.mirchimart.com/Logitech-Wireless-Keyboard-K230/CompKeyboard/p/0J9DAAPLNBGOQ? KEY FEATURES OF THE PRODUCT - Brand:Logitech - Color:Black - Interface:2.4 GHz wireless - Type:Keyboard - Battery Life:2-year battery life - Plug-and-play simplicity - 128-bit AES Encryption - Warranty: 3 Year PRICE COMPARISON 900 @ http://www.flipkart.com/logitech-k230-wireless-keyboards/p/itmdee6prhffyph7? 735 @ http://www.snapdeal.com/product/logitech-wirelss-keyboard-k230/215690? 845 @ http://www.ebay.in/itm/LOGITECH-WIR...H-BILL-WARRANTY-Color-changing-/281123532083?