Smooth and slight, this is a nice accessory
Replica PS4 Controller. Review in the comments : r/RepTronics
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▶This PS4 wireless controller for PS4/Slim/Pro, and compatibility with Windows 7 and above PC/iOS or Android mobile device. , ▶Newly upgraded 3D
2 Pack Wireless Controller for PS4, PlayStation 4 Controller Support Turbo Function Compatibility with PS4/Slim/Pro/PC (Black White)
DualShock 4 Back Button Attachment Review - IGN