Ooops I'm sorry it's Kensington, not kingston. Here a link too it on their site: http://us.kensington.com/html/6368.html I got mine from Costco for ~$80 and it came with a few exctra tips. I also forgot too say it's also a car and plane adapter, which can be pretty handy.

You can find out if it'll work with your laptop etc here: http://us.kensington.com/compApp/ktg...=2&pageId=9162