Apple today introduced the wireless Mighty Mouse, a new version of its popular multi- button mouse, now with the added freedom of wireless connectivity. The new wireless Mighty Mouse offers a reliable, secure connection to Macs and features a new laser tracking engine that is 20 times more sensitive than standard optical mice for better tracking on even more surfaces. Priced at US$69, Apple’s wireless Mighty Mouse includes up to four independently programmable buttons and an Scroll Ball that lets users scroll in any direction. The new mouse is available immediately.