The main body has minor scratches, but is in relatively clean condition. *The included power adapter (cable) shows noticeable yellowing and dirt. The number of charge cycles is low at 79, but the battery performance has significantly deteriorated due to aging. 【Important Notes】 • The built-in battery is degraded and can only be used when the power cable is connected. • If the power is disconnected during startup, the power will turn off. • After that, recharge and wait a while, then press the power button to start up. • It may take some time to start up. 【Initialized and Operation Confirmed】 • macOS Catalina has been initialized and reinstalled. • Activation lock has been removed (iCloud not set up). • Startup, Wi-Fi connection, keyboard/trackpad, speakers, and screen display have all been confirmed to be working normally. 【Specifications】 Model: MacBook Air 13-inch, Early 2015 OS: macOS Catalina 10.15.7 CPU: 1.6GHz Dual-Core Intel Core i5 Memory: 4GB 1600MHz DDR3 Storage: 128GB SSD Graphics: Intel HD Graphics 6000 1536MB Charge Cycles: 79 Battery Capacity: Remaining 290mAh (Current full charge capacity: 6434mAh) 【Included Items】 Main unit Genuine power adapter (cable has yellowing and dirt) 【Condition】 Battery degradation (power outlet required) Minor scratches and signs of use (see photos) Please refrain from purchasing if you are concerned about the condition, as this is a used item. 【Please Note】 Please refrain from purchasing if you are concerned about the battery. Returns, refunds, and cancellations are not accepted after shipping. Please refrain from purchasing if you are concerned about the condition, as this is a used item.