Introduction
The 8BitDo Ultimate C 2.4g Wireless Controller is a versatile and high-quality gaming peripheral designed for seamless compatibility across multiple platforms. This manual provides detailed instructions for setting up, operating, and maintaining your controller to ensure optimal performance and an enjoyable gaming experience.
Product Features
- Simplified version of the Ultimate Controller, offering the same ultimate quality.
- Wireless 2.4G and USB connectivity for broad compatibility.
- Compatible with Windows 10 and above, Android 9.0 and above, Raspberry Pi, and Steam Deck.
- Plug-and-play functionality on PC for immediate use.
- Fast and reliable wireless 2.4G connection ensures low latency gameplay.
- Up to 25 hours of play time on a single charge.
- Features analog triggers, rumble vibration, and turbo function.
- Equipped with anti-slip texture for enhanced grip.
- Includes a 2.4G adapter, USB-C cable, and rechargeable battery.
- Supports upgradeable firmware for future enhancements.
Setup Instructions
2.4G Wireless Connection
For wireless gameplay, use the included 2.4G adapter. This method provides a stable connection with low latency.
- Locate the 2.4G wireless adapter included in the package.
- Insert the 2.4G wireless adapter into an available USB port on your Windows PC, Steam Deck, or Raspberry Pi.
- Turn on your 8BitDo Ultimate C controller. The controller will automatically connect to the adapter.
- The controller is now ready for use.

Image: The 8BitDo Ultimate C controller and its 2.4G wireless adapter, shown connected to a laptop, demonstrating the plug-and-play setup.
Video: An official demonstration of the 8BitDo Ultimate C 2.4G Wireless Controller for PC, highlighting its plug-and-play functionality and seamless connection.
USB Wired Connection
For a direct and reliable connection, you can use the included USB-C cable.
- Connect the USB-C end of the cable to the port on the top edge of your controller.
- Connect the USB-A end of the cable to an available USB port on your device (Windows PC, Android device with adapter, Steam Deck, or Raspberry Pi).
- The controller will be recognized automatically and is ready for use.

Image: The back view of the 8BitDo Ultimate C controller, clearly showing the USB-C charging and wired connection port located on the top edge.
Operating Instructions
Basic Controls
The 8BitDo Ultimate C controller features a standard layout for intuitive gaming.
- Analog Sticks: Two clickable analog sticks for precise 360-degree movement.
- D-Pad: A responsive directional pad for accurate input.
- Face Buttons: Standard A, B, X, Y buttons.
- Shoulder Buttons & Triggers: LB, RB (digital shoulder buttons) and LT, RT (analog triggers) for varied in-game actions.
- Function Buttons: Start, Select, Home buttons for system and game functions.

Image: A clear front view of the 8BitDo Ultimate C controller in purple, alongside its matching 2.4G wireless adapter, showcasing its design and button layout.

Image: A user's hands are shown holding the 8BitDo Ultimate C controller, demonstrating its ergonomic design and comfortable grip during active gameplay.
Turbo Function
The turbo function allows for rapid, continuous input of a button press without repeatedly pressing the button.
- To activate Turbo: Press and hold the button you wish to set to turbo, then press the Star button. The LED indicator will flash to confirm.
- To deactivate Turbo: Press and hold the button with turbo activated, then press the Star button again. The LED indicator will stop flashing.
Rumble Vibration
The controller features built-in rumble vibration for immersive feedback during gameplay, enhancing the gaming experience with tactile sensations.
Compatibility
The 8BitDo Ultimate C controller offers wide compatibility with various operating systems and devices:
- Windows: Windows 10 and above.
- Android: Android 9.0 and above.
- Steam Deck: Fully compatible with SteamOS Holo 3.4 and above.
- Raspberry Pi: Supports Raspberry Pi OS, Lakka, RetroPie, Recalbox, and Batocera.

Image: A visual chart detailing the compatibility of the 8BitDo Ultimate C controller with various platforms, including Windows, Android, SteamOS, and Raspberry Pi.
Maintenance
Battery Charging
The controller is equipped with a rechargeable Lithium Polymer battery. To charge:
- Connect the controller to a USB power source (e.g., computer USB port, USB wall adapter) using the provided USB-C cable.
- The LED indicator on the controller will show charging status.
- A full charge provides up to 25 hours of play time.
Firmware Updates
To ensure your controller has the latest features and performance enhancements, regularly check for firmware updates:
- Visit the official 8BitDo support website.
- Download the latest firmware update tool and instructions for your specific controller model.
- Follow the provided instructions carefully to update the controller's firmware.
Troubleshooting
If you encounter any issues with your 8BitDo Ultimate C controller, try the following steps:
- Controller Not Responding: Ensure the controller is charged. If using wireless, try re-inserting the 2.4G adapter into the USB port.
- Connection Issues: Try connecting the controller via USB cable to rule out wireless interference. Ensure your device's operating system is up to date.
- Button/Joystick Malfunction: Check for any physical obstructions. If issues persist, consider performing a firmware update.
- Lag/Delay: Ensure the 2.4G adapter is connected directly to a primary USB port on your device, avoiding unpowered USB hubs.
For further assistance, refer to the official 8BitDo support resources.
Specifications
| Model Number | 81HC |
| Item Weight | 10.9 ounces |
| Connectivity | 2.4G Wireless, USB Wired |
| Battery Type | Lithium Polymer (included) |
| Battery Life | Up to 25 hours |
| Manufacturer | 8Bitdo |
| Country of Origin | China |
Warranty and Support
For warranty information and technical support, please visit the official 8BitDo website. You can find FAQs, troubleshooting guides, and contact information for customer service there.
Official 8BitDo Support: www.8bitdo.com/support/





