11 MacBook Air, the device is clean and its battery is 100%. Used it for a while, I bought it for programming and it turned out not to be suitable for programming. ((((I bought it used)))) I will give you a week's warranty, new charger. Screen Size: 11 inches Graphics Card: Integrated RAM Size: 8 GB Brand: Apple Operating System: macOS Processor Type: Apple M1 Storage Type: HDD