PUBG mobile trigger buttons phone switch

Testing cheap touch screen buttons that you use with your phone to use as triggers in games like PUBG mobile.
I'm a total PUBG noob but with those triggers I manage to finish game at 22 place with 3 kills. using those buttons and holding the phone like a console controller is almost like cheating!
Buy on AliExpress: s.click.aliexpress.com/e/tdop5C8
At the moment it costs $1.18 with free world-wide shipping.