The 12-inch MacBook introduced in 2015 is now considered 'vintage' by Apple - 9to5Mac
Tested In-Depth: Apple 12-Inch MacBook (2015) - YouTube
Macbook Air vs 12 inch Macbook 2015 | Should I buy the MacBook or MacBook air? | TechGenie - YouTube
Apple MacBook (12-inch, 2015) review: A minimalist MacBook that proves less can be more - CNET
Amazon.com: Funut Compatible with MacBook Retina 12 inch Case A1534, Hard Plastic & TPU Protective Case with Kickstand Shock Proof Matt Case Cover for A1534 MacBook 12" with Retina Display (# Gray) :