The Macbook Air 13 inch (only weight 3 lbs) come with MAC OS 10.15.7 Catalina. It is fully functional and tested by APPLE CERTIFIED TECHNICIAN. The laptop come with battery in Excellent condition and exceeds Apple's recommendation for healthy battery. It will last you hours of usages.
Great laptop for school work, Youtubes, online games, Facebook, video streaming and editing, and many more.