APPLE MACBOOK AIR MD231LL/A – 2012 The MacBook Air MD231LL/A is a 13-inch ultraportable laptop from Apple's Mid 2012 MacBook Air lineup, released in June 2012. Known for its sleek, lightweight unibody aluminum design, this model introduced Intel's third-generation Ivy Bridge processors, USB 3.0 ports, and improved battery life over its predecessors. Design and Build: Ultrathin unibody aluminum chassis, weighing just 2.96 lbs (1.35 kg). Features a full-size backlit keyboard, a large multi-touch glass trackpad, and a non-user-replaceable battery. Display: 13.3-inch LED-backlit glossy widescreen display with 1440 x 900 resolution (16:10 aspect ratio), offering sharp visuals at 127 ppi. Connectivity: Two USB 3.0 ports, a Thunderbolt port (10 Gbps), an SDXC card slot, and built-in Wi-Fi (802.11n) and Bluetooth 4.0. Audio and Video: 720p FaceTime HD camera, stereo speakers, and dual microphones for clear video calls and audio. Battery Life: Up to 7 hours of wireless web browsing or 8 hours of video playback on a 50 Wh lithium-polymer battery. Condition: These devices are 100% fully functional. They have been fully tested and inspected by our certified technicians. The item will show only light signs of use and handling; no visible screen scuffs or dead pixels and imperfections on the body will not be visible at a distance. Power adapter is included. Original packaging is not included.