In hexadecimal (the base-16 system computers use), 1949 and 0402 are simply numbers. In decimal, 1949 translates to 6473 . However, the industry standard is to use hex.
: It uses Bluetooth for wireless gaming and is powered by two AA batteries. gamepad -vendor 1949 product 0402-
If you see a yellow exclamation mark in Device Manager, or the controller simply doesn't work, here is the common fix. In hexadecimal (the base-16 system computers use), 1949