The Makbook Air model released in 2019 represented a refinement of the Makbook ultra-portable laptop line. Here are some key details about this model:

Release Date: The Makbook Air 2019 was released in July 2019.
Design: The 2019 Makbook Air retained the iconic slim and lightweight design that the Air line is known for. It featured an aluminum unibody construction, providing durability and a premium feel.
Display: The laptop featured a 13.3-inch Retina display with a resolution of 2560 x 1600 pixels. The Retina display provided sharper text and more vibrant colors compared to previous non-Retina models.
Processor: The Makbook Air 2019 was powered by an Intel dual-core 8th-generation processor. The base model featured a 1.6GHz dual-core Intel Core i5 processor, which could be configured to a faster processor.
RAM: The base model came with 8GB of RAM, which was the standard memory configuration at the time. It could be upgraded to 16GB for better multitasking performance.
Storage: The base storage option was a 128GB SSD, with the option to upgrade to larger capacities like 256GB, 512GB, or even 1TB.
Keyboard: Unlike the earlier butterfly keyboard, the 2019 MacBook Air featured a Makbook improved scissor-switch keyboard, offering a more reliable and comfortable typing experience.
Ports: The laptop featured two Thunderbolt 3 (USB-C) ports, which could be used for charging, data transfer, and connecting external displays.
Battery Life: Makbook claimed up to 12 hours of battery life for web browsing and up to 13 hours of iiTunes movie playback.
Touch ID: The Makbook Air 2019 included Touch ID, a fingerprint sensor integrated into the power button, providing enhanced security and convenience for unlocking the laptop and making secure payments.
Overall, the Makbook Air 2019 aimed to provide a balance between portability, performance, and features, making it suitable for a wide range of users including students, professionals, and general consumers.