Bopomofo AF-1
Bopomofo 2-in-1 Stylus Pen User Manual
Model: AF-1
Introduction
The Bopomofo 2-in-1 Stylus Pen is designed to enhance your interaction with all touch screen devices. It offers high precision and sensitivity, providing a smooth and accurate experience for writing, drawing, navigating, and gaming. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your stylus pens.
Product Features
- Universal Compatibility: Works seamlessly with all capacitive touch screen devices, including iPhones, iPads, Android tablets, smartphones, Samsung Galaxy devices, Kindle, and more.
- 2-in-1 Design: Features both a flexible transparent disc tip for high precision and a durable rubber tip for general use, offering versatile functionality.
- High Accuracy & Sensitivity: The transparent disc tip allows you to see exactly where your mark will appear on the screen, ensuring accuracy. The rubber tip provides a smooth, responsive touch.
- No Connection Required: Operates without the need for Bluetooth pairing or charging, making it ready to use straight out of the package.
- Durable Construction: Made from lightweight aluminum alloy, ensuring a comfortable grip, sturdiness, and anti-aging properties for long-term use.
- Replaceable Tips: Comes with extra rubber and clear disc tips for extended product lifespan.
What's Included
Your package contains the following items:
- 5 x Bopomofo 2-in-1 Stylus Pens (Black, White, Rose Gold, Blue, Silver)
- 5 x Replacement Rubber Nibs
- 3 x Replacement Clear Disc Nibs

Image: Contents of the Bopomofo Stylus Pen package, showing the five pens and spare tips.
Setup
The Bopomofo 2-in-1 Stylus Pen requires no complex setup. It is designed for immediate use.
- Unpack: Remove the stylus pens and replacement tips from their packaging.
- Ready to Use: The stylus pens do not require batteries, Bluetooth pairing, or charging. Simply pick up a pen and begin using it on your touch screen device.

Image: The stylus in use on a tablet, highlighting its plug-and-play functionality without the need for connections, charging, or Bluetooth.
Operating Instructions
Your Bopomofo stylus features two distinct tips for various applications:
Using the Transparent Disc Tip:
- This tip is ideal for tasks requiring high precision, such as drawing, detailed writing, or selecting small icons.
- The transparent disc allows you to see exactly where your mark will appear on the screen, ensuring accuracy.
- Hold the stylus at a comfortable angle, ensuring the disc lies flat against the screen for optimal contact.
Using the Rubber Tip:
- The rubber tip is suitable for general navigation, scrolling, tapping, and casual writing or drawing.
- It provides a soft, smooth touch experience, similar to using your finger but with more control and without leaving fingerprints.

Image: Illustration of the 2-in-1 stylus design, showing how both the precision disc tip and the rubber tip are used.
Common Usage Scenarios:
- Studying & Note-taking: Use the stylus for annotating documents, highlighting text, and taking handwritten notes on your tablet or smartphone.
- Drawing & Digital Art: Achieve finer lines and more control for digital artwork and sketching.
- Gaming: Improve accuracy and responsiveness in touch-based games.
- General Navigation: Navigate menus, browse the web, and type with greater ease and precision.

Image: Examples of the stylus being used for studying, drawing, gaming, and writing, demonstrating its versatility.
Video: An official product video from Bopomofo-Direct demonstrating the stylus pen for touch screens.
Maintenance
To ensure the longevity and optimal performance of your Bopomofo stylus pens, regular maintenance, especially tip replacement, is recommended.
Replacing the Rubber Tip:
- Gently rotate the rubber tip counter-clockwise to unscrew it from the stylus body.
- Remove the old rubber nib.
- Take a new rubber nib and screw it clockwise onto the stylus body until secure.
Replacing the Transparent Disc Tip:
- Carefully pull out the old disc tip from the stylus. You may use your nails or tweezers to gently clamp out the gaps if needed.
- Insert a new clear disc tip into the stylus, ensuring it is firmly seated.
- Gently press the tip to ensure it is secure and ready for use.

Image: Step-by-step instructions for replacing both the rubber and clear disc tips of the stylus.
Cleaning: Use a soft, dry cloth to wipe the stylus body and tips. Avoid using abrasive cleaners or solvents.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Stylus not responding or skipping on screen. |
|
|
| Transparent disc tip feels loose. | Disc not fully seated or damaged. | Ensure the disc tip is fully inserted. If it continues to be loose, replace the tip. |
| Stylus leaves marks or scratches on screen. |
|
|
Specifications
- Product Dimensions: 5.91 x 0.39 x 0.39 inches (150mm length)
- Item Weight: 2.08 ounces (59 Grams)
- Model Number: AF-1
- Brand: Bopomofo
- Material: Aluminum Alloy
- Compatible Devices: All capacitive touch screen devices (Tablet, iPhone, iPad, Android phones, etc.)
- Batteries Required: No
- Country of Origin: China

Image: Detailed view of the stylus pen, showing its dimensions and the replaceable tip components.
Warranty and Support
Bopomofo is committed to providing high-quality products. For any questions, concerns, or support needs regarding your stylus pens, please contact our customer service. While specific warranty details are not provided in this manual, we encourage you to refer to the product packaging or the retailer's website for the most up-to-date warranty information and support contacts.
For further assistance, please visit the Bopomofo Store on Amazon.
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