USB-C All cables are not created equal.

Basically, you get what you pay for so don't go cheap. It could cause you some major issues.

Luckily their is a Google Engineer on a mission to test as many USB-C cables as possible and give sound advise via Amazon:

http://www.amazon.com/gp/pdp/profile/A25GROL6KJV3QG/ref=cm_cr_rdp_pdp

Handy as I caved and purchased a OnePlus 3 thats on-route here (Dash 4A charging). It'll be my first proper dual-sim phone and it'll apparently have a impressive finger print reader, so should be my go-to phone over the 6S Plus.