Macbook (Retina,12-inch, Early 2015). 1.3 GHz Dual-Core Intel Core M. 8 GB 1600 MHz DDR3. Macintosh HD. Intel HD Graphics 5300 1536 MB. 

Laptop is a 2015 model. The laptop does not have any stains or dents that I've noticed, please refer to the listing photos. No dead pixels, spots, or lines on the screen). It is operational but the following items need attention.