For sale: iMac (Retina 4K, 21.5-inch, Late 2015), along with a battery-powered keyboard (A1314) and a battery-powered mouse (A1296). Initialized and with macOS Monterey installed. CPU: 3.1GHz Quad-Core Intel Core i5 Memory: 8GB 1867MHz DDR3 Graphics: Intel Iris Pro Graphics 6200 1536MB Resolution: 4096 x 2304 (4K) Storage: 1TB HDD Screen: There is red discoloration (color unevenness) in the four corners, a common issue with 4K iMacs. Please check the photos. *It is recommended that those considering a 4K iMac carefully check the screen condition. Functionality confirmed: Boot-up, speakers, USB recognition, Wi-Fi connection, wired LAN, Bluetooth, camera, microphone, keyboard/mouse all work without issues. Included accessories: Power cable, keyboard, mouse Notes: This is a used item, so there may be scratches and wear from use. Please purchase only if you understand and accept the red discoloration (color unevenness) on the screen. It will be packed with bubble wrap and shipped in a recycled cardboard box.