Treat VID 1949 PID 0402 as what it is: a humble workhorse of the budget gaming stable, not a thoroughbred.
You need to force a manual udev rule or explicitly tell RetroArch to ignore the mouse/keyboard nodes. gamepad -vendor 1949 product 0402-
These IDs are crucial for:
: A common third-party controller that uses this ID for Bluetooth pairing. Ipega PG-9118 / PG-9023 Treat VID 1949 PID 0402 as what it