http://www.macnn.com/articles/09/08/20/bluetooth.201.update/
Apple posts Bluetooth Firmware Update 2.0.1
updated 08:55 am EDT, Thu August 20, 2009
Bluetooth 2.0.1 update
Apple has posted a minor Bluetooth firmware update for Macs, bringing support up to v2.0.1. The patch is described as implementing bugfixes, as well as "better compatibility" with the Wireless Mighty Mouse and Wireless Keyboard. A 1.78MB download, the update requires Mac OS X 10.5.7 and a Mac using a Broadcom Bluetooth chipset.
