1. Introduction
Thank you for choosing the BEITONG Wuthering Waves - Cartethyia Ver KP40D Elite Controller. This high-performance gamepad is designed to enhance your gaming experience across multiple platforms with advanced features like force-adjustable joysticks, optical axis buttons, and customizable paddles. This manual provides essential information for setting up, operating, and maintaining your controller.

2. Package Contents
Please check the box for the following items:
- Cartethyia Controller x1
- Cartethyia Replaceable Faceplate x1
- Cartethyia Badge x1
- Cartethyia Keychain x1
- Cartethyia Acrylic Stand x1
- In-game Redemption Code x1 (if applicable)
- Receiver x1
- Cable x1
- User Manual x1
- Replaceable Joysticks x2
- Replaceable Paddle x2

3. Specifications
| Feature | Description |
|---|---|
| Brand Name | BEITONG |
| Model Number | BTP-KP40D |
| Type | Gamepads |
| Connection | USB, Bluetooth, 2.4G, Type C (Wired/Bluetooth/2.4GHz Dongle, Nearlink) |
| Compatible Platform | Nintendo Switch, Nintendo Switch 2, PC, Android, iOS, Steam, Raspberry Pi |
| Compatible Brand/Model | Nintendo (GameBoy MICRO) |
| Battery Included | Yes |
| Support Software Configuration | Yes |
| High-concerned chemical | None |
| D-pad Switch Type | MICRO SWITCH |
| ABXY Switch Type | MICRO SWITCH (Optical Axis ABXY Button 3.0) |
| Bumpers Switch Type | MICRO SWITCH |
| Wear-resistant joysticks | Yes |
| RGB lighting joysticks | No |
| Hall Effect | Yes |
| Joystick Sensor Module Brand/Type | TMR Joysticks (Force Adjustable, Gear Drive) |
| Trigger Button Type | Hall-Linear (Linear/Micro 2-in-1 Vibration Triggers) |
| Feature 1 | Turbo Button |
| Feature 2 | Vibration Trigger (Custom Wuthering Wave Vibration) |
| Feature 3 | RGB Lights (17 Style RGB Effect on Charging Dock) |
| Origin | Mainland China |
| Certification | CE, FCC, RoHS |
4. Setup
4.1 Initial Charging
Before first use, fully charge your controller using the provided USB-C cable. The Smart Wake-Up Charging Dock (if included) also provides automatic charging and over-charging protection.

4.2 Connecting to Devices
The controller supports multiple connection methods:
- 2.4GHz Wireless (Dongle): Insert the provided receiver into your PC, Nintendo Switch, or other compatible device. Switch the controller to 2.4G mode.
- Bluetooth: Enable Bluetooth on your device (Android, iOS, Switch, PC). Put the controller into Bluetooth pairing mode (refer to the controller's specific button combination for pairing, usually a dedicated Bluetooth button or a combination of buttons). Select the controller from your device's Bluetooth list.
- Wired (USB-C): Connect the controller directly to your device using the USB-C cable.

4.3 Customizing Joysticks and Paddles
The controller features replaceable joysticks and 3-position detachable paddles.
- Replaceable Joysticks: Choose between high joysticks for high precision (e.g., FPS, Racing) and low joysticks for fast response (e.g., Action, Fighting). Gently pull to remove and push to install.
- Detachable Paddles: The magnetic and modular paddles can be set to 0° Flat (Classic & Universal), 45° Angle (Large Hands), or 90° Right Angle (Anti-Accidental Press) to suit your grip and preference.


5. Operating the Controller
5.1 Key Features and Functions
- Force Adjustable TMR Joysticks: These joysticks feature a gear drive and limit stops, allowing for precise force adjustment from 30gf to 90gf (25 gears, 1 gear = 2.4gf). Adjust the tension to match your gameplay style for optimal control.
- Optical Axis ABXY Buttons 3.0: Experience quicker response and enhanced durability with ultra-short 0.25mm travel and an 80 million press lifespan.
- Linear/Micro 2-in-1 Triggers: The triggers offer both 0.3mm Micro Switch for quick actions (e.g., Echo Skills, Resonance) and 0.8mm Linear Trigger for nuanced control (e.g., Racing Throttle).
- Omnidirectional D-Pad: Designed for precise and smoother maneuvering with exceptionally fluid diagonal inputs and 360° omnidirectional feedback.
- AI High-Precision Motion Sensing: Enjoy enhanced sensitivity and real-time zero lag for immersive gameplay.
- BEITONG AI Vibration: Custom Wuthering Wave Vibration provides an immersive experience even in scenarios without traditional vibration feedback.
- Additional Shoulder Button + Paddle: Supports custom macro and mapping settings for personalized control.




5.2 Software Configuration
The controller supports software configuration, allowing you to customize button mappings, joystick sensitivity, trigger dead zones, and vibration feedback. The Smart-Connect Faceplate also integrates with the BEITONG iControl configuration page for a new appearance and configuration experience.

6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the controller. For stubborn dirt, a slightly damp cloth can be used, followed by immediate drying. Avoid harsh chemicals or abrasive materials.
- Storage: Store the controller in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the controller frequently. Charge it regularly, even if not in constant use.
- Grips: The leather texture rubberized grips are sweat-proof, wear-resistant, and dirt-resistant. They are not made of synthetic leather, ensuring no peeling or flaking.

7. Troubleshooting
- Controller not connecting: Ensure the controller is charged. Verify the correct connection mode (2.4G, Bluetooth, or Wired) is selected on both the controller and your device. For Bluetooth, ensure the controller is in pairing mode.
- Input lag or unresponsiveness: Try connecting the controller via a wired connection to rule out wireless interference. Ensure your device's drivers are up to date.
- Vibration issues: Check the controller's software settings to ensure vibration is enabled and configured correctly.
- Buttons or joysticks not responding: Clean around the affected buttons/joysticks. If the issue persists, try recalibrating the controller through its software or your device's settings.
8. User Tips
- Ergonomics: The controller features an ergonomic grip design suitable for various hand sizes (Big Hand: Palm Length > 19cm, Middle Hand: 17-19cm, Small Hand: < 17cm). Experiment with the detachable paddles and joystick heights to find your most comfortable setup.
- Customization: Utilize the BEITONG iControl software to fine-tune your controller settings. Create custom profiles for different games to optimize your performance.
- AI Button: Take advantage of the AI Button for quick function assist and convenient settings, streamlining your in-game actions.

9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official BEITONG website or contact your retailer. Keep your proof of purchase for any warranty claims.





