Nintendo 64 用ワイヤレスコントローラーアダプター - RetroScaler

Took this out of the box and had my Switch Pro controller connected to the N64 in under a minute. Lags and input delays are nonexistent, which makes playing Ocarina of Time feel buttery smooth.

The lag is so minimal I keep forgetting I'm not using a wired controller. Pairing my Xbox pad took under a minute and it's been rock solid ever since.

The Bluetooth pairing was quick once I figured out the button sequence, and the adapter sits snugly in the port without wobbling during intense matches. It works exactly as described, though I wish the manual had clearer diagrams—still, it’s a solid upgrade for modern controllers on the old console.