Supremegamegear01

1
BROOK PS4/PS3 TO SWITCH SUPER CONVERTER
(FM00006264)

• PS3/PS4 to SW Controller Adapter lets you use
  PS3/PS4 controllers on Switch. You can use your
  favorite PS3/PS4 controllers on Switch. It not
  only saves your budget, but also much easier for
  you to play. 

https//www.supremegamegear.com/collections/for-ps1-ps2-ps3-controller-converter-adapter/products/gam3gear-brook-super-sw-converter-for-ps3-ps4-to-nintendo-switch-controller-adapter-with-gam3gear-keychain