Apple M4 chip 10-core CPU with 4 performance cores and 6 efficiency cores 10-core GPU Liquid Retina display 15.3-inch (diagonal) LED-backlit display with IPS technology;1 2880-by-1864 native resolution at 224 pixels per inch 500 nits brightness 16GB Unified Memory Battery Maximum Capacity 100% Cycle Count 30 Storage 256GB SSD Has rear protection. The device is very clean. Lightly used. Serious buyers, please contact.