Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
Apple iMac 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB HDD Mac OS High Sierra MC508LL/A w/ Keyboard & Mouse - GRADE B
Mouse or Trackpad Cursor Moves Randomly in macOS and Mac OS X - AppleToolBox
The Peripherals - The 27-inch Apple iMac Review (2011)
Apple iMac 21.5" All-in-One Desktop Computer i5-2500s 2.7GHz 8GB Ram 1TB Mac OS High Sierra MC812LL/A w/ Keyboard & Mouse
Magic Mouse - White Multi-Touch Surface - Apple
Apple iMac review (mid 2011) - The Verge
Apple Magic Mouse 2 Model : A1657(MRME2LL/A, MLA02LL/A) Bluetooth Space Gray & Silver - WIT Computers
How to use a Bluetooth mouse or trackpad with iPad and iPadOS 13.4 | AppleInsider
Amazon.com: Apple iMac MK462LL/A 27-Inch Retina 5K Desktop (3.2 GHz Intel Core i5, 8GB DDR3, 1TB, Mac OS X) (Renewed) : Electronics
Set up your Magic Keyboard, Magic Mouse or Magic Trackpad with your Mac – Apple Support (UK)
Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'
Update, Got this guy for $220, IMAC 21.5, i5@2.3ghz, 8gb ddr4 2017 model. Came with magic mouse 2 and wireless keyboard... Everything is working great... I think it's a good deal:) : r/LukeMianiYouTube