Mastermind! That is the only term you recall as you describe the Skygrand Upgraded 2 in 1 iPhone and Apple Watch Charging Cable. This is a single cable, but it is connected in two different connectors to any USB Wall Adapter. First, you can charge your iPhone or iPad by using a Lightning plug. Second, you have an Apple Watch compatible wireless charging disc. It’s just one cable that charges both devices. Most significantly, it’s on Amazon for only $11.96 now, less than the Apple price of $19 for a normal old Lightning cable!
Watch Charger Cable – This charger cable comes with a magnetic wireless charger dock and an iPhone charger plug to charge both Apple iWatch and iPhone simultaneously.
Advance Safety – This watch charging cord is built with over-current, over-voltage, short-circuit and over-temperature protection, and other safety features to offer you safe charging protection.
Fast Wireless Charge – This 2 in 1 watch and phone charger takes less than 2.5 hours to charge your Apple watch’s battery from 0~100%. For faster charge speed, use a Quick Charge adapter (more than 5V 2.4A) when you charge both iWatch and iPhone simultaneously.
3.3ft Cable Length – Made of durable TPU, this long apple watch charger cable is sturdy yet lightweight, and it can be easily slipped into your bag or placed on your desk to keep your watch on display while charging.
Wide compatible – Compatible with all Series Watch 5/4/3/2/1 (Both 38mm and 42mm Version) and iPhone 11/11 pro/XR/XS/XS Max/X/8/8Plus/7/7Plus/6/6Plus/ipad4/iPad Air2/iPad Air/iPad mini/mini2/mini3/mini4/Airpods.