mac book air 240go + ssd apple 4.2 intel i5 1.7ghz, 4go ram 1333mhz graphics 3000 384 mo. os 10.12 + 2011. version rom startup : mba41.0077.b14. smc system: 1.73f66. series: c02g7lkfdjwt. uuid of the material: 21647d19-5ec5-5863-a4cd-e24783b683b0. origine box + battery new 2017 + keyboard new 2017 = 640 €. available in paris. 06 03 08 83 83. thank you.