1. Introduction and Overview
The UGEE S640 Graphics Drawing Tablet is a versatile digital drawing pad designed for various creative and professional applications. It features a 6.5x4 inch active area, 10 customizable hotkeys, and an 8192-level battery-free stylus, offering a natural and precise drawing experience. This manual provides comprehensive instructions for setting up, operating, and maintaining your UGEE S640 tablet.

Figure 1: UGEE S640 Graphics Drawing Tablet and its battery-free stylus.
Key Features:
- Wide Compatibility: Compatible with PC, Mac, Chrome OS 88+, Windows 11/10/8/7, and Mac OS X 10.10+.
- Software Support: Works seamlessly with popular creative software like Photoshop, Illustrator, Comic Studio, SAI, 3D MAX, and more.
- Customizable Hotkeys: 10 programmable hotkeys for shortcuts such as eraser, zoom, scrolling, and undo, enhancing productivity.
- Portable Design: Thin and lightweight, making it ideal for graphic design, online learning, digital signing, and OSU gaming on the go.
- High Pressure Sensitivity: 8192 levels of pressure sensitivity for accurate lines and varying opacity based on pen pressure.
- Easy Setup: Plug and play functionality with optional driver installation for advanced customization.
2. Setup and Installation
2.1 Package Contents
Before you begin, ensure all components are present in the package:
- UGEE S640 Graphics Drawing Tablet
- Battery-Free Stylus
- USB-C Cable
- 10x Replacement Nibs
- Pen Clipper (Nib Extractor)
- USB-A to Micro-USB OTG Adapter
- USB-A to Type-C OTG Adapter
- Quick Start Guide (Physical)
- Warranty Card (Physical)

Figure 2: Contents of the UGEE S640 package.
2.2 Connecting the Tablet
The UGEE S640 can be connected to various devices:
- To PC/Mac/Chromebook: Connect the tablet directly using the provided USB-C cable.
- To Android Device: Use the appropriate USB-A to Micro-USB or USB-A to Type-C OTG adapter to connect the tablet to your Android phone or tablet.

Figure 3: Connection options for UGEE S640 with laptop and Android device.
2.3 Driver Installation
While the S640 is plug-and-play for basic functionality, installing the driver is recommended for full customization and optimal performance, especially for hotkey programming and advanced pen settings.
- Visit the official UGEE website: www.ugee.com
- Navigate to the "Support" or "Download" section.
- Locate the driver for the S640 model compatible with your operating system (Windows, Mac, Linux).
- Download the driver installer.
- Run the installer and follow the on-screen prompts to complete the installation.
- Restart your computer if prompted.
Video 1: Instructions on how to download the driver for your UGEE drawing pad.
3. Operating the Tablet
3.1 Using the Battery-Free Stylus
The UGEE S640 comes with a battery-free stylus that offers 8192 levels of pressure sensitivity. This allows for precise control over line thickness and opacity, mimicking traditional drawing tools.

Figure 4: Features of the UGEE S640 battery-free stylus, including 8192 pressure levels and tilt range.
You can test and adjust the pen pressure settings within the UGEE driver software to suit your drawing style.
Video 2: Guide on how to set the stylus function for your UGEE pen tablet.
3.2 Customizing Hotkeys
The 10 customizable hotkeys on the tablet can be programmed to perform various functions or shortcuts in your preferred software. This significantly speeds up your workflow.

Figure 5: Overview of the 10 customizable shortcut keys on the UGEE S640 tablet.
To customize the hotkeys:
- Open the UGEE driver software.
- Navigate to the "Express Keys" section.
- Select each key and assign your desired function (e.g., Ctrl+Z for Undo, E for Eraser, Space for Hand Tool).
- You can also set application-specific shortcuts.
Video 3: Detailed instructions on how to set shortcut keys for your UGEE drawing tablet.
3.3 Software Compatibility and Usage
The UGEE S640 is designed to work with a wide range of creative and office software, enhancing your digital workflow across various platforms.

Figure 6: Examples of drawing and office software compatible with the UGEE S640.
Whether you are sketching, painting, editing photos, or taking notes, the tablet provides a seamless experience. Its portability allows you to work anywhere, from your desk to on the go.
Video 4: Unboxing and testing of the S series drawing tablet, demonstrating its use.
4. Maintenance
4.1 Replacing Pen Nibs
The pen nibs may wear down over time with regular use. Replace them when they become too short or sharp to maintain optimal performance.
- Use the included pen clipper (nib extractor) to gently pull out the old nib from the stylus.
- Insert a new replacement nib firmly into the stylus until it clicks into place.

Figure 7: The battery-free stylus and included replacement nibs with the pen clipper.
4.2 General Care
- Keep the tablet and stylus clean by wiping them with a soft, dry cloth.
- Avoid exposing the tablet to extreme temperatures, direct sunlight, or high humidity.
- Do not drop the tablet or stylus, as this may cause damage.
- Store the tablet in a safe place when not in use to prevent scratches or damage to the active area.
5. Troubleshooting
5.1 Pen Not Responding
- Ensure the USB cable is securely connected to both the tablet and your device.
- Try connecting the tablet to a different USB port on your computer.
- If using an Android device, ensure the OTG adapter is functioning correctly and your device supports OTG.
- Check if the driver is installed correctly. If not, try reinstalling it.
5.2 Driver Issues
If you experience issues with driver functionality (e.g., hotkeys not working, pressure sensitivity problems), try the following:
- Uninstall the current UGEE driver from your system (Control Panel > Programs and Features on Windows, or Applications folder on Mac).
- Restart your computer.
- Download the latest driver from the official UGEE website (www.ugee.com).
- Install the new driver and restart your computer again.
Video 5: A quick overview of what is included in the UGEE pen tablet package.
6. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 8.46 x 6.42 x 0.47 inches |
| Item Weight | 9.9 ounces |
| Item Model Number | S640 |
| Brand | UGEE |
| Connectivity Technology | USB |
| Pressure Sensitivity | 8192 Levels |
| Operating System Compatibility | Android, Chrome OS, Linux, Mac OS, Windows |
| Special Feature | Portable, Lightweight |
7. Warranty and Support
The UGEE S640 Graphics Drawing Tablet typically comes with a manufacturer's warranty. For specific warranty details and duration, please refer to the warranty card included in your product package or visit the official UGEE website.
For further support, driver updates, FAQs, and additional resources, please visit the official UGEE website:
You can also find detailed manuals and support information specific to the S640 model on their download page.




