- Built-in low/high pass filter to remove unwanted noises or frequencies.
- Built-in PAM8403 Class-D stereo audio amplifier.
- Built-in Pro Micro(atmega32u4) already pre-programmed as a USB Gamepad with Analog Stick support.
- Built-in headphone jack.
- Supports 2-speaker setup for left and right audio.
- Built-in resistors for the speakers to minimize noise.
- All features from Game Boy Controller v1.1.
- 1 x Game Boy Controller v2.1