The MacBook "Core M" 1.3 12-Inch (Early 2015) features a 14-nm 1.3 GHz Intel "Core M" processor (M-5Y71) with two independent processor "cores" on a single chip, a 4 MB level 3 cache, an "integrated" Intel HD Graphics 5300 graphics processor that shares system memory, 8 GB of onboard 1600 MHz LPDDR3 SDRAM (that cannot be upgraded),  512 GB
for more information: https://everymac.com/systems/apple/macbook/specs/macbook-core-m-1.3-12-early-2015-specs.html

auction included: 1 MacBook 12 inch
                            1 Power adapter 29 Watt with wire
                            1 Box