1. Introduction
This manual provides instructions for the FANTECH EOS Bluetooth Mini Controller. Please read this manual carefully before using the product to ensure proper operation and to maximize your gaming and productivity experience.
2. Product Overview
The FANTECH EOS Mini Controller is a compact, versatile gamepad designed for multi-platform compatibility. Its keychain-sized form factor makes it highly portable, while its robust features support various gaming and productivity applications.
2.1. Key Features
- Compact Design: Product dimensions are 70x43x15.5mm, weighing 29.7g, making it easy to carry.
- Universal Compatibility: Works with Nintendo Switch, Switch 2, PC, Android, iOS, and Raspberry Pi.
- Long Battery Life: Equipped with a built-in 200mAh battery, providing up to 20 hours of continuous use on a single charge.
- Dual Mode Connection: Supports both wired (USB-C) and Bluetooth 5.0 wireless connections.
- Multi-functional: Includes gaming controls, productivity features (presentation support), and a camera shutter mode.
2.2. Controller Layout
The FANTECH EOS Mini Controller features a classic button layout adapted for its compact size.

Figure 1: Top view of the FANTECH EOS Mini Controller.

Figure 2: Side view showing USB-C port and shoulder buttons.
- D-Pad: Directional input (Up, Down, Left, Right).
- Action Buttons: A, B, X, Y for in-game actions.
- Select/Start: Standard game control buttons.
- Capture: Used for taking screenshots or recording video clips (platform dependent).
- Turbo: Enables rapid-fire functionality for assigned buttons.
- L/R/ZL/ZR: Shoulder buttons for additional in-game controls.
- USB-C Port: For charging and wired connection.
3. Setup
3.1. Package Contents
- FANTECH EOS Bluetooth Mini Controller
- USB-C Charging Cable
- User Manual (this document)
- Keychain/Lanyard (may vary by package)
3.2. Charging the Controller
Before first use, fully charge the controller. Connect the supplied USB-C cable to the controller's USB-C port and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging status and turn off when fully charged.
3.3. Pairing with Devices (Bluetooth)
The FANTECH EOS Mini Controller supports Bluetooth 5.0 for wireless connection across multiple platforms.
- Ensure the controller is sufficiently charged.
- Turn on the controller. (Specific power-on method may vary; typically involves holding a button like START or a dedicated power button).
- Activate pairing mode on the controller. This usually involves holding a specific button combination (e.g., START + Y for Nintendo Switch, START + B for Android, START + X for PC) until the LED indicator blinks rapidly, indicating it's discoverable. Refer to the quick start guide for specific platform pairing modes.
- On your device (Nintendo Switch, PC, Android, iOS, Raspberry Pi), go to the Bluetooth settings.
- Search for available Bluetooth devices. The controller should appear as "FANTECH EOS" or similar.
- Select the controller to pair. The LED indicator on the controller will become solid when successfully paired.
For wired connection, simply connect the controller to your device using the USB-C cable. The controller will automatically switch to wired mode.
4. Operating Instructions
4.1. Power On/Off
- Power On: Press and hold the START button for a few seconds until the LED indicator lights up.
- Power Off: Press and hold the START button for a few seconds until the LED indicator turns off. The controller will also power off automatically after a period of inactivity.
4.2. Turbo Function
To activate Turbo mode for a button:
- Press and hold the button you wish to set to Turbo (e.g., A button).
- While holding the button, press the Turbo button once. The button is now in Turbo mode.
To deactivate Turbo mode:
- Press and hold the button that is currently in Turbo mode.
- While holding the button, press the Turbo button once. Turbo mode is now deactivated for that button.
4.3. Capture Function
Press the Capture button to take a screenshot or record a video clip, depending on the connected device's capabilities and current application. This function is primarily supported on platforms like Nintendo Switch.
4.4. Productivity / Presentation Mode
The controller can be used to navigate presentations or other productivity applications. Specific button mappings may vary by software, but common functions include:
- D-Pad Left/Right: Navigate between slides (Previous/Next).
- A Button: Enter/Confirm.
- Select Button: Escape.

Figure 3: Controller used in Presentation Mode.
4.5. Camera Shutter Mode
When connected to a compatible smartphone or tablet, the controller can function as a remote camera shutter. Typically, one of the action buttons (e.g., A or B) will trigger the camera's shutter.

Figure 4: Controller used in Camera Shutter Mode.
4.6. Multi-Platform Compatibility Demonstration
Video 1: Official FANTECH EOS Bluetooth Mini Controller overview, demonstrating its features and multi-platform compatibility with various devices and use cases.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the controller. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the controller in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Do not attempt to replace the internal battery. Avoid fully discharging the battery for extended periods to prolong its lifespan.
- Water Exposure: This device is not waterproof. Avoid exposure to liquids.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Controller does not power on. | Low battery. | Charge the controller using the provided USB-C cable. |
| Cannot pair via Bluetooth. | Controller not in pairing mode; device Bluetooth off; interference. | Ensure controller is in pairing mode (LED blinking rapidly). Check device Bluetooth settings. Move closer to the device. Try re-pairing. |
| Buttons are unresponsive or delayed. | Low battery; out of range; software issue. | Charge the controller. Move closer to the device. Restart the controller and the device. Try a wired connection to test. |
| Controller disconnects frequently. | Low battery; out of range; wireless interference. | Ensure controller is fully charged. Reduce distance to the device. Minimize other wireless devices nearby. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | EOS |
| Product Dimensions | 70 x 43 x 15.5 mm (2.76 x 1.69 x 0.59 inches) |
| Item Weight | 29.7 g (3.42 ounces) |
| Connectivity | Bluetooth 5.0, USB-C Wired |
| Battery Type | 1 Lithium Polymer (included) |
| Battery Capacity | 200 mAh |
| Usage Time | Up to 20 hours |
| Compatibility | Nintendo Switch, Switch 2, PC, Android, iOS, Raspberry Pi |
| Manufacturer | FANTECH |
8. Warranty and Support
FANTECH products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your purchase or visit the official FANTECH website. For technical support or further assistance, please contact FANTECH customer service through their official channels.





