The hilarious part is there are tons of these available to buy anywhere. Here's just one, but search "magnetic lighting cable" on Amazon

https://www.amazon.com/Magnetic-Lightning-Reversible-Indicator-MCDODO/dp/B01NBRAQ9T/ref=sr_1_4?ie=UTF8&qid=1489815399&sr=8-4&keywords=magnetic+lightning+cable