Amazon has added the PDP REALMz Wireless controller to its selection of excellent gaming deals. This Nintendo Switch Pro controller is now available for the lowest price yet, at $39.99. This $20 savings on the controller marks a 33% discount. Naturally, with the lowest price, and best discount, ever recorded in Amazon history for the product, this is the optimal time to grab a new controller for Nintendo Switch, and especially for Sonic fans.