MacMice today announced its new Bluetooth wireless mouse, The Mouse BT. The new mouse is the same size and visual design as the company’s current USB The Mouse, and offers an optical resolution of 800 cpi; left, right and center buttons; a no-notch, smooth-action scroll wheel; an on-off switch; and is powered by two (included) AA alkaline batteries. The Mouse BT will be available in September with a manufacturers suggested retail price of US$69.99.