1. Introduction
The EasySMX X15 is a versatile wireless gamepad designed for an enhanced gaming experience across multiple platforms. Featuring Hall Effect joysticks and triggers for precision, customizable RGB lighting, and multiple connection options, this controller is built for responsive and immersive gameplay.
2. Package Contents
Please check the box for the following items:
- 1 x X15 Gaming Controller
- 1 x USB Receiver
- 1 x Type C Cable
- 1 x User Manual

3. Product Overview

The X15 controller features:
- Dazzling RGB Lighting: 7 colors with 2 lighting modes (Steady, Gradient).
- Hall Effect Joysticks: No dead zone, drift-free, no delay for precise control.
- Hall Effect Triggers: Solves excessive friction and linear trigger jamming, providing a smoother feel with accuracy up to 0.1mm.
- Ultra Long-life Battery: 1000mAh capacity, 3 hours charging for up to 20 hours continuous use.
- 3 Connection Modes: Bluetooth, Wired, and 2.4G wireless.
- Customizable ABXY Buttons: Interchangeable for PC and Switch layouts.
- 3 Adjustable Vibration Levels: Dual vibration motors for immersive feedback.
- 2 Programming Keys (M1, M2): Easily map complex operations.






4. Setup
4.1 Connection Modes
The EasySMX X15 supports three primary connection methods:
- Bluetooth: For wireless connection to compatible devices like Nintendo Switch, Android/iOS phones, and some PCs.
- 2.4G Wireless: Utilizes the included USB receiver for a stable wireless connection, typically for PC and Steam Deck.
- Wired: Connects directly via the Type C cable for a reliable, low-latency connection to PC or other compatible devices.
4.2 Initial Pairing
For detailed connection instructions, please refer to the video below:
General Steps:
- 2.4G Wireless: Insert the USB receiver into your device (PC, Steam Deck). Turn on the controller. The controller should automatically connect.
- Bluetooth: Turn on the controller. Put the controller into pairing mode (refer to the specific button combination in the full user manual if not covered by the video). On your device, search for Bluetooth devices and select "EasySMX X15".
- Wired: Connect the Type C cable to the controller and the other end to your device. The controller should be recognized automatically.
5. Operating Instructions
5.1 RGB Lighting Control
The X15 controller features customizable RGB lighting:
- RGB Light On/Off: Toggle the dedicated RGB Lights Switch located on the back of the controller to turn the lights on or off.
- Light Mode:
- Press "-" + "D-pad UP" button to switch to "Colorful" (Gradient) mode.
- Press "-" + "D-pad DOWN" button to switch to "Steady" (Solid Light) mode.
- Color Adjustment (in Steady mode):
- Press "-" + "D-pad LEFT" to cycle through colors in a positive direction.
- Press "-" + "D-pad RIGHT" to cycle through colors in a negative direction.
- Brightness Adjustment:
- Press "-" + "Left Joystick UP" to increase brightness.
- Press "-" + "Left Joystick DOWN" to reduce brightness.

5.2 ABXY Key Swap Function
To switch between PC key layout and Nintendo Switch key layout for the ABXY buttons, press the "B" + "—" + "+" buttons simultaneously. This allows for seamless adaptation to different gaming platforms.
5.3 Vibration Adjustment
The controller supports three levels of vibration intensity: 0% (off), 50% (medium), and 100% (strong). Adjust these settings to your preference for optimal gaming immersion.
5.4 Programmable Keys (M1, M2)
The M1 and M2 keys on the back of the controller can be programmed to simplify complex operations or gain an edge in games. Refer to the full user manual for detailed instructions on how to program these keys.
5.5 Using the KeyLinker App
Download the "KeyLinker" app on your smartphone to unlock advanced customization options for your controller. Through this app, you can:
- Change the ABXY button layout.
- Adjust RGB lighting effects and vibration intensity.
- Set turbo functions.
- Create macro definitions.
- Restore the controller to factory settings.
Note: Settings made in the app are valid across all connected platforms. To revert to default settings, select "Restore Factory Settings" within the app.

6. Maintenance
6.1 Charging the Controller
The controller is equipped with a 1000mAh battery. To charge, connect the included Type C cable to the controller's charging port and a suitable USB power source. A full charge takes approximately 3 hours and provides up to 20 hours of continuous use.
6.2 Cleaning
To maintain your controller, wipe it regularly with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials, as these can damage the surface. Ensure the controller is powered off and disconnected from any power source before cleaning.
7. Troubleshooting
7.1 Connection Issues
- 2.4G Wireless: Ensure the USB receiver is securely plugged into your device. Try a different USB port. Confirm the controller is powered on.
- Bluetooth: Make sure Bluetooth is enabled on your device. Forget the device in your Bluetooth settings and attempt to re-pair. Ensure the controller is in Bluetooth pairing mode.
- Wired: Check that the Type C cable is fully inserted into both the controller and the device. Try a different USB port or cable.
- General: If the controller's LEDs (LED1, LED3, LED4) are stuck on or behaving unusually, try resetting the controller (refer to the full user manual for reset instructions, or use the 'Restore Factory Settings' option in the KeyLinker app).
7.2 RGB Lights Not Working
- Check the RGB Lights Switch on the back of the controller to ensure it is in the 'ON' position.
- Verify the lighting mode and color settings using the "-" + D-pad/Joystick combinations as described in section 5.1.
7.3 Button/Joystick Drift
The X15 features Hall Effect joysticks and triggers designed to prevent drift. If you experience any issues, ensure the controller's firmware is up to date via the KeyLinker app. You can also try calibrating the joysticks within the app or performing a factory reset.
7.4 ABXY Layout Incorrect
If the ABXY buttons are not functioning as expected for your platform (e.g., Switch layout on PC), use the "B" + "—" + "+" button combination to swap the key layout. Alternatively, adjust the ABXY layout within the KeyLinker app.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | X15 |
| Compatible Platform | Nintendo Switch, PC, Android, iOS, Steam, Raspberry Pi |
| Interface Type | USB, Bluetooth, 2.4G |
| Battery Capacity | 1000mAh |
| Continuous Use Time | Up to 20 hours |
| Charging Time | Approx. 3 hours |
| Joystick Sensor Module | Hall Effect (K-SLIVER) |
| Trigger Button Type | Hall-Linear |
| D-pad Switch Type | Membrane |
| ABXY Switch Type | Membrane |
| Bumpers Switch Type | Tactile switch |
| RGB Lighting | Yes |
| Vibration | Adjustable |
| Programmable Keys | M1, M2 |
| Package Weight | 0.4 kg |
| Package Dimensions | 16 x 11 x 6 cm |
9. User Tips
- The EasySMX X15 is compatible with popular mobile games like Genshin Impact, offering a superior control experience.
- For advanced customization, including macro programming and fine-tuning of lighting and vibration, download and utilize the 'KeyLinker' app.
- Remember to swap the ABXY key layout (B + — + +) when switching between PC and Nintendo Switch to match the expected button functions for each platform.
- If you encounter persistent connection issues, try resetting the controller to factory settings via the KeyLinker app.
10. Warranty and Support
EasySMX offers a 90-day free return policy for this product. For any technical assistance, troubleshooting beyond this manual, or warranty claims, please contact EasySMX customer support directly through their official channels. Keep your purchase receipt as proof of purchase.





