The official Sony DualShock 4 USB wireless adapter is the simplest Bluetooth option. You may have to hunt for it or spend a little more than you would on a standard Bluetooth dongle, but it's worth it ...
Typing with a keyboard is second-nature to most of us at this point. Typing on a game controller, however, is not. For as long as I've played games, I've loathed having to slowly hover my on-screen ...