This 2013 MacBook Air was a built-to-order version from Apple and includes the Core i7 CPU at 1.7 Ghz with a boost speed to 3.3 Ghz as shown in the pictures.  It includes 4 GB RAM and 256 GB SSD hard drive with macOS Big Sur installed.  Ports include 2 USB 3.0 ports, Thunderbolt 1 port, Headphone jack, SD card (SDXC) slot, Power adapter port.  You can upgrade disk storage via the SD card slot if needed.  BRAND NEW NEWERTECH NuPower BATTERY INSTALLED, so no need to worry about having to keep this plugged in to use it.  Includes original charger and original box.