Yes, that replaced the low-riding, AA-powered Magic Mouse that had the delightful battery door that ripped off chunks of fingernail when attempting to open. THAT mouse replaced the stupid, short-corded, anti-ergonomic hockey puck mouse, which in turn replaced the single-buttoned Apple Bus Mouse 2, which arguably is the last best mouse Apple made.
“Hey, let’s hire Jony to do design! But don’t let him ANYWHERE near the mice department, k?” -Jobs, probably.
You’re correct, I skipped over the Mighty Mouse. Those scroll balls were the original fidget toy.