Unfortunately, Apple didn’t make a first-party USB-A to USB-C cable for this situation. Instead, the company sells a $29 USB-C to Lightning adapter as its official solution. My advice?
First the good: both the Magic Mouse and the Magic Keyboard now come with USB-C ports. That's right, the Lightning cable, which used to also charge iPhones and iPads until the EU ...
If you’ve ordered a new iPhone recently, you’ll notice that the box is a whole lot slimmer than in previous years. That’s because the bulkiest accessory is gone: the power charger.