Introduction
Welcome to the user manual for your new Logitech K98S Mechanical Wireless Keyboard. This AI-customized Bluetooth office and gaming keyboard is designed to provide a superior typing experience with its mechanical switches and innovative features. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your device, ensuring you get the most out of your K98S keyboard.
The Logitech K98S features an integrated cushion-gasket structure for a pure, comfortable sound and feel with every tap. Its translucent upper shell offers a unique aesthetic, combining technology with pleasing design.

Setup
Follow these steps to set up your Logitech K98S keyboard:
- Unpack the Keyboard: Carefully remove the keyboard and any accessories from the packaging.
- Initial Charge (Optional): Although the keyboard includes a battery, it is recommended to fully charge it before first use. Connect the keyboard to a USB power source using the provided USB cable. The charging indicator (if present) will show charging status.
- Power On: Locate the power switch on the keyboard (usually on the side or back) and slide it to the 'ON' position.
- Pairing via Bluetooth:
- On your computer or device (Desktop, Laptop), open Bluetooth settings.
- Put the keyboard into pairing mode. This usually involves pressing and holding a dedicated Bluetooth pairing button or a function key combination (e.g., Fn + 1, 2, or 3 for different profiles). Refer to the keyboard's specific key markings for Bluetooth channels.
- On your device, search for new Bluetooth devices. Select 'Logitech K98S' (or similar name) from the list of available devices.
- Follow any on-screen prompts to complete the pairing process. You may need to enter a code displayed on your screen using the keyboard.
- Wired Connection (Alternative): If you prefer a wired connection or need to charge while using, connect the USB cable directly from the keyboard to your computer's USB port. The keyboard should be recognized automatically.
Operating Instructions
The Logitech K98S is a 98-key mechanical keyboard designed for both office and gaming applications. Here are some general operating guidelines:
- Typing: The mechanical switches provide tactile feedback for a responsive typing experience.
- Function Keys (Fn): Many keyboards utilize an 'Fn' key (Function key) in combination with other keys (F1-F12, multimedia keys) to access special functions like volume control, media playback, or backlight settings. Refer to the keycap legends for specific functions.
- Backlight: The keyboard features a monochrome backlight. Typically, backlight brightness and patterns can be adjusted using Fn key combinations (e.g., Fn + Arrow keys or dedicated backlight keys).
- Switching Devices: If your keyboard supports multiple Bluetooth profiles, use the designated Fn key combinations (e.g., Fn + 1, Fn + 2, Fn + 3) to quickly switch between paired devices.
- Wrist Support: The integrated wrist support is designed for ergonomic comfort during extended use.
Maintenance
Proper maintenance will extend the life and performance of your keyboard:
- Cleaning:
- Keycaps: The PBT plastic keycaps are durable. Use a soft, damp cloth with mild soap and water to clean them. Avoid harsh chemicals.
- Between Keys: Use compressed air to remove dust and debris from between the keycaps. A small brush can also be used.
- Surface: Wipe the translucent shell with a soft, lint-free cloth.
- Hot-Swappable Switches: The K98S features hot-swappable switches, allowing you to easily replace individual switches without soldering. Use the provided keycap puller and switch puller (if included) to carefully remove and insert switches. Ensure the new switch pins align correctly with the PCB sockets to avoid damage.
- Battery Care: For optimal battery life, avoid fully discharging the keyboard frequently. Charge it when the battery low indicator appears.


Troubleshooting
If you encounter issues with your Logitech K98S keyboard, try the following solutions:
- Keyboard Not Responding:
- Ensure the keyboard is powered on.
- Check battery level and charge if necessary.
- If using Bluetooth, ensure it's paired correctly and within range. Try re-pairing.
- If using a wired connection, ensure the USB cable is securely connected to both the keyboard and the computer. Try a different USB port.
- Bluetooth Connectivity Issues:
- Turn off and on your device's Bluetooth.
- Remove the keyboard from your device's Bluetooth list and re-pair it.
- Ensure no other devices are interfering with the Bluetooth signal.
- Keys Not Registering:
- Clean around and under the affected keycaps to remove any debris.
- If the switch is hot-swappable, try removing and re-inserting the switch. If the issue persists, consider replacing the switch.
- Backlight Not Working:
- Ensure the backlight is enabled via Fn key combinations.
- Check battery level, as low battery might disable backlighting.
Specifications
| Feature | Detail |
|---|---|
| Brand Name | Logitech |
| Model | K98S |
| Type | Bluetooth Wireless |
| Operation Style | Mechanical |
| Keyboard Standard | 98 Keys |
| Application | Desktop, Laptop |
| Interface Type | USB (for charging/wired connection) |
| Language | English |
| Backlight Type | Monochrome |
| Switches Hot Swap | Yes |
| Switches Manufacturer | Logitech |
| Keycap Material | PBT plastic |
| Keycap Printing | Laser |
| Wrist Support | Yes |
| Package | Yes |
| Battery Included | Yes |
| Origin | Mainland China |
| Certification | CE |
User Tips
No specific user tips from reviews or Q&A were available for this product at the time of manual creation. However, general tips for mechanical keyboard users include:
- Experiment with different keycap profiles if you plan to customize, as the hot-swappable switches allow for easy modification.
- Keep the keyboard firmware updated for optimal performance and compatibility. Check the manufacturer's website for updates.
- Utilize the multi-device Bluetooth pairing feature to seamlessly switch between your computer, tablet, or phone.
Warranty and Support
Your Logitech K98S Mechanical Wireless Keyboard comes with a 5-year warranty, ensuring long-term reliability and peace of mind. Additionally, the product offers free returns within 90 days of purchase.

For technical support, warranty claims, or any other inquiries, please contact the seller, Global SSD HDD Store, through the platform where you made your purchase. They maintain a high positive feedback rating of 95.9% and a store rating of 4.9, indicating strong customer service.