Depending on your taste, you will be able to choose from aluminum or plastic finishes. No idea why the trackball design was thrown in though considering we’re about to finish the first decade of the new milennium here. While many people have played around with concepts for various Apple products in the past, not many of these involve the revamp of the Apple Mouse. Along comes Tryi Yeh with the new Apple Slim Mouse which relies on Bluetooth connectivity to remain “hooked up” to a particular Apple machine, and will be able to switch between trackball (400dpi) and laser (1600dpi) with a micro adjustment.