Introduction
The 8Bitdo Ultimate 2C Wireless Controller is designed for an enhanced gaming experience on Windows PC and Android devices. Featuring a 1000Hz polling rate, Hall Effect joysticks and triggers, and remappable L4/R4 bumpers, this controller offers precise control and responsiveness. Its versatile connectivity options, including 2.4G wireless, wired, and Bluetooth, ensure seamless integration with your preferred gaming platform.

Image: The 8Bitdo Ultimate 2C Wireless Controller in dark blue, shown with its accompanying 2.4G USB dongle.
Setup and Connectivity
The 8Bitdo Ultimate 2C controller offers multiple connection methods to suit your gaming setup.
Compatibility
- Windows PC: Compatible with Windows 10 and above.
- Android Devices: Compatible with Android 9.0 and above.
Connection Modes
- 2.4G Wireless (for Windows): For optimal performance on Windows, use the included 2.4G USB dongle. Simply plug the dongle into an available USB port on your PC. The controller will automatically connect.
- Wired (for Windows): Connect the controller directly to your Windows PC using a USB-C cable. This provides a stable, low-latency connection.
- Bluetooth (for Android): For Android devices, connect via Bluetooth. Ensure Bluetooth is enabled on your Android device, then put the controller into Bluetooth pairing mode (refer to the controller's mode switch). Select "8Bitdo Ultimate 2C" from your device's Bluetooth settings.

Image: The 8Bitdo Ultimate 2C controller highlighting its 1000Hz polling rate and compatibility with Windows and Android operating systems.
Charging the Controller
The controller features a built-in rechargeable battery. Connect the controller to a USB power source using a USB-C cable. A full charge provides approximately 19 hours of playtime with about 2 hours of charging time.

Image: A detailed diagram illustrating key features such as Hall Effect Joysticks and Triggers, approximate battery life, and the "no software needed" functionality.
Operating the Controller
Key Features and Functions
- Hall Effect Joysticks and Triggers: Experience higher precision and sensitivity with wear-resistant metal joystick rings, minimizing drift and ensuring long-term accuracy.
- 1000Hz Polling Rate: Under both 2.4G and wired connections, the 1000Hz polling rate ensures extremely precise and low-latency responsiveness, crucial for competitive gaming.
- Extra R4/L4 Bumpers: These remappable buttons are designed for personalized configuration, allowing you to react faster in games without needing additional software.
- Turbo Function: Activate the turbo function for rapid, continuous input of a button press.
- Refined Bumpers and D-pad: The controller features light yet tactile bumpers and a D-pad, providing satisfying feedback for every input.
- Mode Switch Button: Easily switch between different operating modes (e.g., 2.4G, Bluetooth) using the dedicated mode switch button.

Image: A close-up view emphasizing the Hall Effect Joysticks and Triggers, highlighting their upgraded, robust, and long-lasting design for higher precision and sensitivity.

Image: A detailed shot of the extra R4 and L4 bumpers, which are remappable for faster in-game reactions without requiring software.

Image: A user's hands comfortably gripping the 8Bitdo Ultimate 2C controller during gameplay, showcasing its ergonomic design.
Maintenance
To ensure the longevity and optimal performance of your 8Bitdo Ultimate 2C Wireless Controller, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe down the controller regularly. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid excessive moisture and harsh chemicals.
- Storage: Store the controller in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Battery Care: Avoid fully discharging the battery frequently. For long-term storage, charge the controller to about 50% to preserve battery health.
- Handle with Care: While durable, avoid dropping the controller or subjecting it to strong impacts, which can damage internal components.
Troubleshooting
If you encounter issues with your 8Bitdo Ultimate 2C Wireless Controller, refer to the following common troubleshooting steps:
- Controller Not Connecting (2.4G/Bluetooth):
- Ensure the controller is charged.
- Verify the mode switch is set correctly for your desired connection (2.4G for Windows, Bluetooth for Android).
- For 2.4G, ensure the USB dongle is securely plugged into your PC. Try a different USB port.
- For Bluetooth, ensure Bluetooth is enabled on your Android device and the controller is in pairing mode. Remove previous pairings and try re-pairing.
- Restart your PC or Android device.
- Input Lag or Disconnections:
- Ensure there are no strong wireless interferences (e.g., other 2.4GHz devices, Wi-Fi routers) near the controller or dongle.
- Move closer to your PC or Android device.
- For PC, try a wired connection to rule out wireless issues.
- Buttons or Joysticks Not Responding:
- Check if the controller's battery is low.
- Perform a soft reset by holding down the power button for a few seconds until the controller turns off, then turn it back on.
- Ensure no debris is lodged around the buttons or joysticks.
- Controller Not Charging:
- Try a different USB-C cable and power adapter.
- Ensure the charging port on the controller is clean and free of debris.
If issues persist, please visit the official 8Bitdo support website for further assistance or contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Number | 81HD |
| Compatibility | Windows 10 and above, Android 9.0 and above |
| Connectivity | 2.4G Wireless, Wired (USB-C), Bluetooth |
| Polling Rate | 1000Hz (2.4G and wired connections) |
| Joysticks & Triggers | Hall Effect |
| Extra Buttons | Remappable L4/R4 Bumpers |
| Special Features | Turbo function, Rumble vibration, Mode switch button, Enhanced grip |
| Battery Life | Approx. 19 hours playtime (2 hours charging) |
| Item Weight | 12.3 ounces (approx. 348.7 grams) |
| Package Dimensions | 6.06 x 5.16 x 2.91 inches |
| Manufacturer | 8Bitdo |
| Country of Origin | China |
| Release Date | December 17, 2024 |

Image: A summary table detailing the special features, compatibility, and connectivity options of the 8Bitdo Ultimate 2C controller.
Warranty and Support
For warranty information, technical support, or further inquiries regarding your 8Bitdo Ultimate 2C Wireless Controller, please refer to the official 8Bitdo website or contact their customer service directly.
You can also visit the official 8Bitdo store on Amazon for product information and support: 8Bitdo Store





