MacBook Air 2013
Display: LED backlit glossy widescreen display
Storage: 128GB PCle-based
Processor: 1.4GHz dual core Intel Core i5 with turbo boost up to 2.7 GHz and 3MB shared L3 cache
Memory: 4GB of 1600MHz LPDDR3 onboard memory
Battery and Power: Built in 54 watt hour lithium polymer battery. 45 MagSafe 2 Power adapter with cable management, MagSafe 2 power port.
Size and weight: H 0.3-1.7 cm, W 32.5 cm, D 22.7 cm and Weight 1.35 kg
Graphics and video support: Intel HD graphics 6000, thunderbolt digital video output
Charging and expansion: has a charger port, 2 x USB ports, headphone jack, dual mics, thunderbolt 2 port and an SDXC card slot.
– full sized back lit keyboard with ambient light sensor
– macOS High Sierra