This device has been factory reset and I've reinstalled High Sierra. Tested and functional. Comes with the original power cable. There are some very minor scuff and/or scratches on the device (see pictures for reference). The power cable is in good condition. Also includes a bootable USB that includes a High Sierra Install.


Device specs: 


Processor 
2.3GHz dual-core Intel Core i5 with 3MB on-chip shared L3 cache 

Memory 
8GB of 1333MHz DDR3 memory

Storage
500GB (5400-rpm) hard drive

Graphics 
Intel HD Graphics 3000 processor with 288MB of DDR3 SDRAM shared with main memory

Video Support
  • Thunderbolt port with support for up to 2560-by-1600 resolution 
  • HDMI port with support for up to 1920-by-1200 resolution 
  • DVI output using HDMI to DVI Adapter
  • Support for dual display and video mirroring

Communications
  • Wi-Fi 802.11n Wi-Fi wireless networking; IEEE 802.11a/b/g compatible
  • Bluetooth 4.0 wireless technology
  • Ethernet 10/100/1000BASE-T Ethernet (RJ-45 connector)