1. Introduction
This manual provides detailed instructions for the Uogic Pen F95, a high-performance stylus designed for Microsoft Surface devices. Featuring 4096 levels of pressure sensitivity and palm rejection technology, this pen enhances your digital writing and drawing experience. Please read this manual thoroughly before use to ensure proper operation and longevity of your device.

Figure 1.1: Uogic Pen F95 with included accessories.
2. Package Contents
- Uogic Pen F95 Stylus
- Replacement Pen Tips (various hardness)
- Tip Replacement Tool
- AAAA Battery

Figure 2.1: Contents of the Uogic Pen F95 package.
3. Compatibility
The Uogic Pen F95 is compatible with a wide range of Microsoft Surface devices and other touchscreen devices running Windows 10 or 11 that support MPP1.5 or MPP2.0 protocols. No Bluetooth connection or pairing is required for operation.
| Model Name | Model Number |
|---|---|
| Surface Pro | 3rd/4th/5th/6th/7th/7+/8th/9th/10th/X gen |
| Surface Duo | 1st/2nd gen |
| Surface Go | 1st/2nd/3rd gen |
| Surface Book | 1st/2nd/3rd gen |
| Surface Studio | 1st/2nd/2+ gen |
| Surface Laptop | 1st/2nd/3rd/4th/5th gen, Surface Laptop Studio |

Figure 3.1: Visual representation of compatible Surface models.
4. Setup
4.1. Battery Installation
- Unscrew the top cap of the stylus to reveal the battery compartment.
- Insert the provided AAAA battery with the positive (+) end facing towards the pen tip.
- Screw the top cap back on securely.
4.2. Pen Tip Installation/Replacement
- To remove an existing tip, use the tip replacement tool to gently pull the tip straight out.
- Select your desired replacement tip (HB, 2H, or H for different hardness levels).
- Gently push the new tip straight into the pen until it is securely seated.

Figure 4.1: Using the pen tip replacement tool.

Figure 4.2: Available pen tip hardness options.
5. Operating Instructions
5.1. Power On/Off
The Uogic Pen F95 automatically powers on when in use and enters an auto-sleep mode after 5 minutes of inactivity to conserve battery life. No manual power button is required.

Figure 5.1: Automatic power management features.
5.2. Pressure Sensitivity (4096 Levels)
The stylus supports 4096 levels of pressure sensitivity, allowing for precise control over line thickness and opacity. Apply varying pressure to achieve different artistic effects, from fine lines to broad strokes.

Figure 5.2: Illustrating 4096 pressure sensitivity.
5.3. Tilt Function
The tilt function allows the pen to mimic a real pencil, enabling shading strokes when the pen is angled. This feature provides a more natural drawing and writing experience.
Video 5.1: Demonstration of Uogic stylus pressure sensitivity and tilt function.
5.4. Palm Rejection
With palm rejection technology, you can comfortably rest your hand on the screen while writing or drawing without creating unintended marks. This ensures a smooth and uninterrupted workflow.

Figure 5.3: Palm rejection feature in action.
5.5. Button Functions
The stylus features two side buttons for convenient shortcuts:
- Right-click Button: Press and hold the upper button to activate the right-click function.
- Eraser Button: Press and hold the lower button to activate the eraser function.

Figure 5.4: Stylus button functions.
6. Maintenance
6.1. Battery Replacement
When the pen's performance diminishes, it may be time to replace the AAAA battery. Follow the battery installation steps in Section 4.1.
6.2. Pen Tip Replacement
Pen tips may wear down with extended use. Replace them as needed following the instructions in Section 4.2 to maintain optimal performance.
6.3. Cleaning
Wipe the stylus body with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials that could damage the pen's finish.
7. Troubleshooting
7.1. Pen Not Responding
- Ensure the AAAA battery is correctly installed and has sufficient charge. Replace if necessary.
- Verify that your device is compatible with MPP1.5 or MPP2.0 protocols.
- Restart your Surface device.
7.2. Inaccurate or Lagging Performance
- Check if the pen tip is securely installed. Replace if it appears worn or damaged.
- Ensure your device's screen is clean and free of debris.
- Confirm that your device's operating system and drivers are up to date.
8. Specifications
- Model Number: F95
- Pressure Sensitivity: 4096 levels
- Battery Type: 1 x AAAA (included)
- Battery Life: Up to 1500 hours
- Material: Aluminum
- Item Weight: 20 Grams (0.705 ounces)
- Dimensions: 7.64 x 7.4 x 0.67 inches (Package)
- Color: Black
- Connectivity: No Bluetooth Connection (MPP protocol)
9. Warranty and Support
The Uogic Pen F95 comes with a 12-month warranty from the date of purchase. For any questions, concerns, or technical assistance, please contact our customer support team. We offer 24/7 online customer support to ensure your satisfaction.
For support, please visit the official UOGIC website or refer to the contact information provided with your product packaging.

