1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Varmilo Minilo98 Pro Star Sand Wireless RGB Mechanical Keyboard. Please read this manual thoroughly to ensure proper use and to maximize your keyboard's performance.
2. Package Contents
- Varmilo Minilo98 Pro Keyboard
- Instruction Manual
- USB-C Cable
- Combination Switch Puller / Key Puller
- 2.4GHz Wireless Dongle
- Extra Keycaps (MacOS keys and an additional space bar)

Image: All items included in the Varmilo Minilo98 Pro package, neatly arranged.
3. Key Features
- Triple Connectivity: Connects via wired USB-C, Bluetooth 5.0, or 2.4 GHz wireless.
- Premium Build: Features a CNC metal top case with gasket mount design and PC plate.
- High Polling Rate: Achieves 1000 Hz polling rate in wired and 2.4 GHz modes for responsive input.
- Programmable: Supports QMK, VIA, or custom web driver for personalized key mapping.
- Long-lasting Battery: Equipped with a 4000mAh battery for extended wireless use.
- Durable Keycaps: 1.5mm thick Cherry profile Double Shot PBT keycaps.
- Hot-swappable Switches: Hotswap sockets support both 3-pin and 5-pin switches for easy customization.
- Vibrant Backlighting: South-facing RGB LED backlighting.
- Mode Switch: Easy-reach switch to toggle between wired and wireless modes.
- Enhanced Acoustics: Premium acoustic foam package including layers of IXPE, PET, and Poron for improved sound profile.
4. Setup
4.1 Initial Charging
Before first use, connect the keyboard to a USB power source using the provided USB-C cable to ensure the internal 4000mAh battery is fully charged.
4.2 Connectivity Modes
Your Varmilo Minilo98 Pro supports three connection types:
- Wired Mode (USB-C): Connect the keyboard directly to your device using the USB-C cable. The keyboard will automatically switch to wired mode.
- 2.4 GHz Wireless Mode: Insert the 2.4GHz wireless dongle into an available USB port on your device. Use the easy-reach switch on the back of the keyboard to select 2.4GHz mode.
- Bluetooth 5.0 Mode: Use the easy-reach switch on the back of the keyboard to select Bluetooth mode. On your device, search for available Bluetooth devices and select 'Varmilo Minilo98 Pro' to pair.

Image: The side of the keyboard with the USB-C port for wired connection and charging, and the toggle switch for selecting connectivity modes.
4.3 Operating System Compatibility
The keyboard is compatible with Mac, iOS, Windows, and Android operating systems. Special keycaps for MacOS are included for convenience.
5. Operating Instructions
5.1 Mode Switching
Locate the easy-reach switch on the back edge of the keyboard to seamlessly switch between wired, 2.4GHz wireless, and Bluetooth modes.
5.2 RGB Backlighting
The keyboard features south-facing RGB LED backlighting. Use the designated function keys (Fn + F1/F2 for brightness, Fn + F3/F4 for effects) to adjust brightness levels and lighting effects. Refer to the quick start guide for specific key combinations.
5.3 Programmability
The Varmilo Minilo98 Pro is programmable with QMK, VIA, or a custom web driver. These tools allow you to remap keys, create macros, and customize lighting effects beyond the default settings. Visit the Varmilo official website for detailed instructions and software downloads.
5.4 Media Control Knob
The dedicated media control knob can be used to adjust volume. Rotate clockwise to increase volume, counter-clockwise to decrease volume, and press to mute/unmute.

Image: The Varmilo Minilo98 Pro keyboard positioned on a desk, ready for use.
6. Maintenance
6.1 Cleaning
To clean the keyboard, power it off and disconnect it from your device. Use a soft, dry cloth to wipe the surface. For deeper cleaning, you may carefully remove keycaps using the provided key puller.
6.2 Keycap and Switch Replacement
The keyboard features hot-swappable sockets, allowing for easy replacement of switches without soldering. Use the provided combination switch puller / key puller to carefully remove keycaps and switches. Ensure replacement switches are compatible (3-pin or 5-pin).

Image: A keycap being carefully removed from the keyboard using the included key puller tool.

Image: Additional keycaps, including MacOS specific keys and an extra space bar, for customization.
7. Troubleshooting
7.1 Connectivity Issues
- Wired: Ensure the USB-C cable is securely connected to both the keyboard and your device. Try a different USB port or cable.
- 2.4 GHz Wireless: Verify the dongle is properly inserted and the keyboard is set to 2.4GHz mode. Try re-pairing by pressing Fn + 4 for 3 seconds.
- Bluetooth: Ensure the keyboard is in Bluetooth mode and discoverable. Remove the keyboard from your device's Bluetooth list and re-pair. Try pressing Fn + 1/2/3 for 3 seconds to switch between Bluetooth profiles.
7.2 Keys Not Responding
- Check if the keyboard is powered on and connected.
- If specific keys are not working, the switch might be faulty. Utilize the switch puller to replace the affected switch.
- Ensure the keycaps are properly seated on the switches.
7.3 RGB Lighting Issues
- Adjust brightness levels using Fn + F1/F2.
- Cycle through lighting effects using Fn + F3/F4.
- Ensure the keyboard battery has sufficient charge, as low battery can affect lighting performance.
7.4 Battery Not Charging
- Verify the USB-C cable is functioning correctly and connected to a reliable power source.
- Try a different USB-C cable or power adapter.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Varmilo |
| Model | Minilo98 Pro |
| Connectivity Technology | Bluetooth, USB-C, 2.4 GHz Wireless |
| Keyboard Description | Mechanical |
| Compatible Devices | Laptop, PC, Smartphone, Tablet |
| Special Features | Backlit, Hot-Swappable, Rechargeable |
| Keyboard Backlighting | RGB (South-facing LED) |
| Keycap Material | 1.5mm thick Cherry profile Double Shot PBT |
| Battery Capacity | 4000mAh |
| Polling Rate | 1000 Hz (Wired & 2.4 GHz) |
| Programmability | QMK, VIA, Custom Web Driver |
| Material | Metal, Plastic (CNC metal top case) |
9. Warranty and Support
Your Varmilo Minilo98 Pro keyboard is covered by the manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the warranty card included in your package or visit the official Varmilo website. Keep your proof of purchase for warranty claims.





