The 70W USB-C Power Adapter offers fast, efficient charging at home, in the office or on the go. Its compatible with numerous USB-C devices and charging cables. Apple recommends pairing this power adapter with your 13-inch or 15-inch MacBookAir with M2 chip, your 13-inch MacBookPro (2016 and later) or your 14-inch MacBookPro. Use it with MacBookAir with M2 chip models to take advantage of fast charging, so you can go from 0 to 50per cent charge in around 30minutes.