SMK-Link iCalc Bluetooth Calculator Keypad Aluminum and Plastic 3" high 6" wide This 12 digit calculator allows you to review your entries on large display by using up/down keys If you made a mistake hit correct key make correction and recalculates automatically This product is manufactured in China Magnetically aligns with the Apple Wireless Keyboard - converting it into a full size desktop keyboard with 10-key numeric keypad and standalone calculator functionality Wirelessly Connects via Bluetooth Use iCalc as a stand-alone 10-key calculator - Enter numbers, perform calculations, and then send the results directly into your open spreadsheet or web page with the press of a button System Requirements: Bluetooth receiver, Mac OS X and Windows XP, 7 and 8 compatible What's Covered: mechanical and electrical failures during normal use, 100% parts and labor Get fast repairs or replacements from SquareTrade, an Allstate company 24/7 customer support, free shipping for all repairs, no deductibles or hidden fees Cancel anytime, full refund in first 30 days, fully transferable with gifts SquareTrade Protection Plans are only valid for new or Amazon certified refurbished products purchased at Amazon in the last 30 days. By purchasing this Protection Plan you agree to the Protection Plan Terms & Conditions (http://www.squaretrade.com/terms-standard). Your Protection Plan Terms & Conditions will be delivered via email within 24 hours of purchase