You can use both Windows 11 and Mac OS! Equipped with Core i5, it connects smoothly with iPhones! Recommended for remote work! The CPU is a high-performance Core i5! Furthermore, it runs smoothly with a fast 256GB SSD and 4GB of memory! A perfect computer! ★ Lightweight ★ Thin ★ Ultra-large capacity, high-speed processing 256GB SSD ★ Compatible with the latest security in Summer 2024 ★ Smooth operation ★ Easy-to-see display ---Details--- CPU: Intel Core i5 OS Monterey Latest security release Summer 2024 Memory: 4GB (Operates without stress.) SSD: 256GB (Faster processing speed than HDD. Sufficient for saving images, etc.) Display: 13-inch or 11-inch Size and Weight Height: 0.3-1.7 cm Width: 32.5 cm Depth: 22.7 cm Weight: 1.35 kg Other 720p FaceTime HD camera USB 3 ports x 2 Thunderbolt 2 port x 1 MagSafe 2 power port SDXC card slot 3.5mm headphone jack WiFi, Bluetooth compatible Setup is complete so you can use it immediately. AC adapter is also included. The adapter may be a compatible product. ---Please Note--- Since this is a used item, please be aware of minor scratches and small stains that are difficult to see in the photos. The battery is a used item and is not covered by warranty. Please use the AC adapter. I have other computers for sale, so please take a look if you'd like. Series...Macbook Air Size...13 inches Storage type...SSD Storage capacity...256GB CPU...Intel Core i5 Memory...4GB