Processor: Intel Core M dual-core, 1.2 GHz speed. * RAM: 8 GB. * Graphics Card: Intel HD Graphics 5300. * System: macOS Big Sur 11.7.11 Storage capacity 512 Space grey Charging cycles 283 The device is clean and has been used little. Current operating system macOS Big Sur 11.7.11 The battery works for no less than 3 hours of use.