1. Introduction
The AULA S99 is a versatile tri-mode keyboard designed for both gaming and office use, offering seamless connectivity and a comfortable typing experience. It features a 99-key layout, PBT keycaps, intelligent hibernation, and customizable RGB backlighting. This manual provides detailed instructions for setting up, operating, and maintaining your AULA S99 keyboard.

2. Product Features
- Fashionable Appearance: Modern and ergonomic design.
- Durable Keycaps: PBT ball keycaps are wear-resistant, non-greasy, and designed to retain color.
- Responsive Keys: Keys offer a great feel with a 10 million key life.
- Intelligent Hibernation: Automatically enters hibernation to conserve power, with backlight turning off and keys waking up upon use.
- Backlighting: Features keycap and slit backlighting with color uniformity, offering optional monochrome or phantom light effects.
- User-Friendly Design: Includes Fn key multi-functions and commonly used shortcut keys.
- Adjustable Typing Angles: Dual leg braces provide three comfortable typing angles.
- Multimedia Control: Dedicated multimedia control area for adjusting lighting, switching songs, and controlling volume.


3. Functions and Indicators

- Custom/Previous Song Button: In Office Mode, this button functions as the 'Previous Song' control. In Game Mode, it can be customized.
- Custom/Play/Pause Button: In Office Mode, this button functions as the 'Play/Pause' control. In Game Mode, it can be customized.
- Custom/Next Song Button: In Office Mode, this button functions as the 'Next Song' control. In Game Mode, it can be customized.
- Knob: This multi-function knob controls light effects, brightness, and volume. It can also be pressed down for mute functionality in Office Mode.
- Toggle Switch: Used to turn the keyboard ON/OFF.
- Type-C Connector: For wired connection and charging.
4. Setup
4.1. Connection Modes
The AULA S99 keyboard supports three connection modes: Wired, 2.4G Wireless, and Bluetooth. You can switch between these modes using the FN key combinations.

- Wired Mode: Connect the keyboard using the provided Type-C cable. Press
FN + 4($)to activate wired mode. The battery indicator light will be blue. - 2.4G Wireless Mode: Insert the 2.4G USB receiver into your device. Press
FN + ~.- Short Press: Connect to an already paired 2.4G receiver.
- Long Press: Enter pairing mode. The Num indicator (blue) will flash fast during pairing and slow when reconnecting.
- Bluetooth Mode (BT1, BT2, BT3): The keyboard supports up to three Bluetooth devices.
- BT1: Press
FN + 1(!). The CAP indicator will show red. Fast flash for pairing, slow flash for reconnecting. - BT2: Press
FN + 2(@). The CAP indicator will show green. Fast flash for pairing, slow flash for reconnecting. - BT3: Press
FN + 3(#). The CAP indicator will show orange. Fast flash for pairing, slow flash for reconnecting.
For Bluetooth pairing, long press the respective
FN + (1/2/3)combination. If pairing is unsuccessful for 1 minute or reconnecting is unsuccessful for 20 seconds, the keyboard will enter hibernation. - BT1: Press
Note: The basic color of the power, CAP, and NUM indicators is blue.
4.2. System Switching
The AULA S99 keyboard is compatible with multiple operating systems. Use the following FN key combinations to switch between systems:
FN + Q= Android systemFN + W= Windows systemFN + E= MAC systemFN + R= iOS system
When switching systems, the power indicator will flash red.
4.3. Initial Charging
The keyboard is equipped with a 2000mAh built-in lithium battery. Before first use, it is recommended to fully charge the keyboard.

- When charging, the battery indicator light is always on (blue light).
- The indicator light turns off when fully charged.
- If the power is below 3.4V, the backlight will turn off, and the battery indicator light will flash red until hibernation or power off.
- When connected via wired mode, the battery indicator light is always blue.
- If the battery drops below 3.1V, the keyboard will switch off.
5. Operating Instructions
5.1. Shortcut Keys
The keyboard features various shortcut keys for different operating systems. Please refer to the tables below for specific functions.
Windows System Shortcuts
(Default system, ALT-L and ALT-R next to spacebar)
| Fn+ | F1 | F2 | F3 | F4 |
|---|---|---|---|---|
| Shortcut function keys | Home | Conversion window (ALT+TAB) | Open Explorer (WIN+E) | |
| Fn+ | F5 | F6 | F7 | F8 |
| Shortcut function keys | Screen brightness- | Screen brightness+ | Previous Song | Play/Pause |
| Fn+ | F9 | F10 | F11 | F12 |
| Shortcut function keys | Next Song | Mute | Volume- | Volume+ |
MAC System Shortcuts
(WIN-L and WIN-R next to spacebar)
| Key | Shortcut Function | Key | Shortcut Function |
|---|---|---|---|
| F1 | Screen brightness- | F7 | Previous Song |
| F2 | Screen brightness+ | F8 | Play/Pause |
| F3 | Conversion window (ALT+TAB) | F9 | Next Song |
| F4 | Home (WIN+Q) | F10 | Mute |
| F5 | F11 | Volume- | |
| F6 | Search | F12 | Volume+ |
iOS System Shortcuts
(WIN-L and WIN-R next to spacebar)
| Key | Shortcut Function | Key | Shortcut Function |
|---|---|---|---|
| F1 | Screen brightness- | F7 | Previous Song |
| F2 | Screen brightness+ | F8 | Play/Pause |
| F3 | Conversion window (ALT+TAB) | F9 | Next Song |
| F4 | Home (WIN+H) | F10 | Mute |
| F5 | F11 | Volume- | |
| F6 | Search | F12 | Volume+ |
Android System Shortcuts
(Default system, ALT-L and ALT-R next to spacebar)
| Key | Shortcut Function | Key | Shortcut Function |
|---|---|---|---|
| F1 | Screen brightness- | F7 | Previous Song |
| F2 | Screen brightness+ | F8 | Play/Pause |
| F3 | Conversion window (ALT+TAB) | F9 | Next Song |
| F4 | Home (ALT+ESC) | F10 | Mute |
| F5 | F11 | Volume- | |
| F6 | F12 | Volume+ |
5.2. Dual Mode Switching (Game Mode / Office Mode)
The keyboard supports two main operational modes: Game Mode and Office Mode. Long press the knob switch to toggle between these modes. The backlight will blink 3 times to indicate the switch.

Game Mode
In Game Mode, the M1-M3 buttons can be customized directly via hardware.
- M1 Customization: Press
FN + INS. The three indicator lights (blue) will slow flash to enter recording state. Single pressM1, the three indicator lights will fast flash. Enter your desired key sequence. Once recording is complete, pressFN + INSto save the function. - M2 Customization: Follow the same steps as M1, but press
M2for recording. - M3 Customization: Follow the same steps as M1, but press
M3for recording.
Note: For 2.4G connection, the driver supports backlight and music. Custom functions can only play, not record. To restore factory settings and clear recorded content, long press FN + ESC for 3 seconds.
Office Mode
In Office Mode, the M1-M3 buttons and the knob have predefined multimedia functions.

- M1 Button: Previous Song
- M2 Button: Play/Pause
- M3 Button: Next Song
- Knob Switch (Press Down): Mute
- Knob (Twist Clockwise): Volume+
- Knob (Twist Counter-clockwise): Volume-
5.3. Light Effect Control
The rotary switch (knob) is used to control the keyboard's light effects and brightness.
- Rotary Switch: Twist the knob to switch between different light effects.
- Brightness Adjustment: Twist the knob clockwise for increased brightness (Light brightness+). Twist the knob anti-clockwise for decreased brightness (Light brightness-).
The NUM+CAP indicator will flash blue when the brightness is adjusted to the brightest level.
6. Maintenance
To ensure the longevity and optimal performance of your AULA S99 keyboard, follow these maintenance guidelines:
- Cleaning: Regularly clean the keycaps and keyboard surface with a soft, dry cloth. For deeper cleaning, you may gently remove the PBT keycaps. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the keyboard in a dry environment, away from extreme temperatures and direct sunlight.
- Battery Care: Avoid fully discharging the battery frequently. Charge the keyboard when the low battery indicator appears.
- Keycap Durability: The PBT keycaps are designed to be durable and wear-resistant. However, excessive force or prying can cause damage.
7. Troubleshooting
- Keyboard Not Responding:
- Ensure the keyboard is turned ON using the toggle switch.
- Check the battery level; charge if necessary.
- Verify the correct connection mode (Wired, 2.4G, or Bluetooth) is selected using the FN key combinations.
- For 2.4G, ensure the USB receiver is properly inserted.
- For Bluetooth, ensure the keyboard is paired and within range.
- Backlight Not Working or Dim:
- Check the battery level. Backlight turns off below 3.4V.
- Adjust the brightness using the rotary knob.
- Ensure the keyboard is not in hibernation mode.
- Pairing Issues (2.4G/Bluetooth):
- Ensure the keyboard is in pairing mode (long press FN + ~ for 2.4G, or FN + 1/2/3 for Bluetooth).
- Remove previous pairings from your device's Bluetooth settings and try pairing again.
- Ensure no other devices are interfering with the connection.
- Keys Not Registering or Sticking:
- Clean around the affected keycaps to remove any debris.
- Perform a factory reset if issues persist (long press
FN + ESCfor 3 seconds).
8. Specifications
| Feature | Detail |
|---|---|
| Connection | Type-C Wired, 2.4G Wireless, Bluetooth |
| Operation Style | Membrane (with mechanical feel) |
| Number of Keys | 99 Keys |
| Key Plug Type | Does not support hot plug |
| Backlight Effect | RGB |
| Rated Voltage | DC 5V |
| Rated Current | <150mA |
| Battery Capacity | 2000mAh Rechargeable Lithium Battery |
| Dimensions (L x W x H) | 412.39mm x 158.02mm x 51.69mm (±0.2mm) |
| Weight | 750g |
| Compatible Systems | Windows XP/7/8/10, MacOS, Android, iOS |
9. User Tips
- The keyboard provides a satisfying typing experience with a pleasant, quiet sound, though not completely silent.
- The included charging cable offers fast charging capabilities.
- The volume knob functions out-of-the-box without requiring additional software installation and includes a mute feature.
- While the keyboard features sophisticated RGB lighting with various modes and colors, the key legends themselves may not be illuminated, making it primarily a design element rather than for visibility in the dark.
- This is a membrane keyboard and is not hot-swappable, meaning the switches cannot be easily changed.
10. Warranty and Support
For further assistance or information, please contact the manufacturer:
- Manufacturer: Dongguan Suoai Electronics CO.,LTD
- Website: www.aulastar.com
- Address: SOAI Industry Park, Huayu Street Changlong Village Huangjiang Town Dongguan City, Guangdong Province, China
- Execution Standard: GB/T 14081-2010
A digital copy of this user manual is available for download: User Manual (PDF)