MadShrimps posted a review on the Mad Catz R.A.T.M Gaming Mouse
A quote from the article:
The R.A.T.M. mouse from Mad Catz is a fresh iteration of the previously released versions but with a more portable, compact revision. The use of Bluetooth 4.0 LE allows a battery life of about an year and for customizing the product we get software for both Windows and Mac OSX platforms.Mad Catz R.A.T.M Gaming Mouse Review @ Madshrimps