Bluetooth is a short-range radio technology (or wireless technology) aimed at simplifying communications among internet devices and between devices and the internet. It also aims to simplify data synchronization between internet-connected devices and other computers.
Bluetooth products — that is products using Bluetooth technology — must be qualified and pass interoperability testing by the Bluetooth Special Interest Group prior to release. Bluetooth’s founding members include Ericsson, IBM, Intel, Nokia and Toshiba.
Also see the Wireless LAN Standards chart in the Quick Reference section of Webopedia.