1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Rosewill Neon S75 Wireless Mechanical Gaming Keyboard. Please read this manual thoroughly before using the product to ensure proper functionality and longevity.

Image: The Rosewill Neon S75 Wireless Mechanical Gaming Keyboard, showcasing its 75% layout and RGB backlighting.
The Rosewill Neon S75 is an 80-key mechanical keyboard featuring a gasket mount design and hot-swappable sockets for customization. It offers versatile tri-mode connectivity (Bluetooth 5.0, 2.4GHz wireless, and USB-C wired) and is compatible with Windows and macOS operating systems. The keyboard is equipped with a 6000mAh battery for extended wireless use.
Video: An overview of the Rosewill Neon S75 keyboard, demonstrating its features and RGB lighting effects.
2. Setup
2.1 Package Contents
- Rosewill Neon S75 Wireless Mechanical Gaming Keyboard
- USB-C Cable
- 2.4GHz Wireless Receiver
- Keycap Puller / Switch Puller (may be combined)
- User Manual
2.2 Charging the Keyboard
Before initial use, fully charge the keyboard. Connect the provided USB-C cable to the keyboard's USB-C port and the other end to a powered USB port (e.g., computer, USB wall adapter). The RGB lighting may indicate charging status.

Image: Illustration highlighting the keyboard's 6000mAh high-capacity lithium battery for extended use.
2.3 Connectivity Modes
The Neon S75 supports three connection modes: Bluetooth 5.0, 2.4GHz wireless, and USB-C wired.

Image: Diagram illustrating the three connection modes: Bluetooth 5.0, 2.4GHz wireless, and USB-C wired.
2.3.1 Bluetooth Connection
- Toggle the switch on the keyboard to Bluetooth mode.
- Press Fn + Q, Fn + W, or Fn + E to select a Bluetooth channel. The corresponding key will flash, indicating pairing mode.
- On your device (PC, Mac, mobile), search for Bluetooth devices and select "Rosewill Neon S75".
- Once connected, the key will stop flashing. You can pair up to three devices and switch between them using Fn + Q/W/E.
2.3.2 2.4GHz Wireless Connection
- Toggle the switch on the keyboard to 2.4GHz wireless mode.
- Insert the 2.4GHz USB receiver into an available USB port on your computer.
- The keyboard should automatically connect. If not, press Fn + R to initiate pairing.
2.3.3 USB-C Wired Connection
- Toggle the switch on the keyboard to wired mode.
- Connect the USB-C cable from the keyboard to your computer. The keyboard will function as a wired device and charge simultaneously.
3. Operating Instructions
3.1 Basic Functions
- Volume Knob: Rotate clockwise to increase volume, counter-clockwise to decrease. Press to mute/unmute.
- Fn Key Combinations: The Fn key is used in combination with other keys for various functions (e.g., media control, lighting adjustments, system switching). Refer to the keycap legends for specific functions.
- System Switching: Use the dedicated hotkey to switch between Windows and macOS compatibility modes.
3.2 RGB Backlighting
The keyboard features customizable RGB backlighting. Use Fn key combinations to cycle through various lighting effects, adjust brightness, and change speed.

Image: The Rosewill Neon S75 keyboard displaying various dynamic RGB lighting effects.
3.3 Programmable Software
Custom software is available for advanced customization of key assignments and lighting effects. This software is compatible with Windows systems only.

Image: The Rosewill Neon S75 keyboard on a desk, indicating support for programmable software.
4. Maintenance
4.1 Cleaning
- Disconnect the keyboard from all power sources before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the keycaps and chassis.
- For deeper cleaning, use a keycap puller to remove keycaps and compressed air to clear debris from underneath.
4.2 Hot-Swappable Switches
The Neon S75 features hot-swappable sockets, allowing you to change mechanical switches without soldering.

Image: Illustration demonstrating the hot-swappable feature of the keyboard, allowing for easy switch replacement.
- Use the provided switch puller tool to carefully remove the desired switch. Grip the switch firmly and pull straight up.
- Align the pins of the new switch with the holes on the PCB. Ensure the pins are straight.
- Gently press the new switch into place until it clicks. Do not force it to avoid bending pins.
5. Troubleshooting
- Keyboard not responding: Ensure the keyboard is charged. Check the connection mode switch (wired, 2.4GHz, Bluetooth) and verify the cable or receiver is properly connected. For Bluetooth, re-pair the device.
- Keys not registering: If specific keys are not working, try replacing the switch for that key, as the keyboard is hot-swappable. Ensure the switch is fully seated.
- RGB lighting issues: Cycle through lighting effects using Fn key combinations. If the issue persists, ensure the keyboard is fully charged or connected via USB-C.
- 2.4GHz wireless connection unstable: Ensure the receiver is in a clear line of sight to the keyboard and away from other wireless interference sources. Try a different USB port.
- Bluetooth pairing failure: Ensure the keyboard is in pairing mode (Fn+Q/W/E key flashing). Remove previous pairings from your device and try again.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Rosewill |
| Model Number | NEON S75 BL |
| Layout | 75% (80 Keys) |
| Connectivity | Bluetooth 5.0, 2.4GHz Wireless, USB-C Wired |
| Switches | Hot-Swappable Blue Switches (Cherry MX Blue equivalent) |
| Backlighting | RGB |
| Battery Capacity | 6000mAh |
| Compatible Devices | Mac, PC |
| Product Dimensions | 13.1"L x 5.43"W x 1.77"H |
| Item Weight | 1.96 Pounds |
7. Warranty and Support
7.1 Warranty Information
The Rosewill Neon S75 Wireless Mechanical Gaming Keyboard comes with a 1-Year Warranty from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects and malfunctions under normal use.
7.2 Customer Support and Software
For technical support, driver downloads, or additional product information, please visit the official Rosewill support channels. You can also find software and other resources by scanning the QR code below or visiting the provided link.

Image: A QR code that links to Rosewill product-related information, including software downloads.
Link for product information and software: https://linktr.ee/qr/1a3cb565-bba3-4354-8e08-7a0e511ff85b





