Apple has released an update for its systems that use Bluetooth. This update has been named Bluetooth Firmware Update 2.0.1 and fixes a number of issues as shown in the short announcement below. Systems with an installation of Mac OS X 10.5.7 or later can install this update.
About Bluetooth Firmware Update 2.0.1
This update provides bug fixes and better compatibility with the Apple Wireless Mighty Mouse and Apple Wireless Keyboard.
It installs on all Macintosh systems with Bluetooth based on the Broadcom chipset.