Review on 🎮 REDSTORM Pro Controller for Nintendo Switch, Christmas Present: Bluetooth Wireless Gamepad Joystick Joypad, Turbo/Double Vibration/6-Axis, Compatible with Switch, Switch Lite, and Switch OLED - Yellow Dragon by Rud Starks

On EasySMX ESM-4108 Switch controller, Turbo function needs to be enabled first. Hold down the right joystick and then press the Capture/Turbo button. The indicator on the right joystick changes from blue to red. Then press and hold the Capture/Turbo button and then select the button you want to activate in Turbo mode.