Yes, you can use your PS4 DualShock 4 controller with the PS3 wirelessly
PS4 DualShock 4 Vs PS3 DualShock 3 Controller - Comparison [VIDEO] | Redmond Pie
For those looking for a backup controller for their PS3. Home button and vibration supported. Even worked with NFS Most Wanted (2012), a game that didn't support my DS4 and Logitech Rumblepad
PS4 DualShock 4 controller works with PS3, but not wirelessly : r/PS4
I want to use a ps4 controller on my ps3... In addition, I'm wondering of the “ps4 back button attachment”, where you can basically reroute buttons with a controller accessory would work.
Update makes your PS4 controller work on your PS3 -- without wires | VentureBeat
How To Use DS4 Wireless with PS3 DualShock 4 Menu Interface Tips & Tricks - YouTube
How to Connect a PS3 or PS4 Controller to Your Android Box, Phone or Tablet | Android TV Boxes Canada
DS4 Lightbar PS3 logo - XQ Gaming
Using the DS4 controller on various devices (PC, PS3, Vita, Android...) - Wololo.net
How to use a PS4 controller on PS3 | GamesRadar+
DS4 Lightbar James Bond 007 logo - XQ Gaming
How to use PS3 and PS4 Controllers on your PS2 - YouTube
DualShock 4 Compatible PlayStation 3 Games - PlayStation 4 Guide - IGN
How to Use PS4 Controller on PS3! *EASY METHOD* (WIRED AND WIRELESS) - YouTube
Are official OEM PS3 controllers better than 3rd party controllers? - Quora
Amazon.com: PS3 Controller Wireless 2 Pack, Upgraded Joystick Controller for PS3 with Double Shock, Motion Control (Camo Brown and Camo Blue) : Video Games
How to Connect the DualShock 4 Wirelessly to the PS3 - Guide | Push Square