User Manual For VGN V108 Wireless Mechanical Gaming Keyboard
Tri-Mode
1.Package List
- Keyboard * 1
- USB-C Data Cable * 1
- Customized Switches * 3
- Electronic Instruction Manual * 1
- 2-in-1 switch and keycap puller * 1
- Warranty certificate* 1
- Dust cover* 1
2. Product Parameters
Connection Type: USB Wired, 2.4G, Bluetooth
Number of Keys: 108 (including knob)
Product Dimensions: 445.77 × 139.6 × 41.84 mm
Switch Type: Mechanical Switch
Backlight Type: RGB
Memory Function: Supported
Driver Support: USB Wired, 2.4G
Operating Voltage: DC 5V (wired); 3.7V (wireless, lithium battery)
Charging Voltage: DC 5V
Charging Current: ≤ 700mA
Supported Systems: Win7/Win8/Win10/Win11/MacOS
Sleep mode
When connected via 2.4G or Bluetooth, the keyboard enters sleep mode automatically after 3 minutes of inactivity. Press any key to wake it up.
In wired mode, the keyboard does not sleep on its own and only enters passive sleep with the computer.
PS: If pairing in 2.4G/Bluetooth mode fails within 60 seconds, or reconnection fails within 30 seconds, the keyboard enters sleep mode automatically.
Low Battery Indicator
When battery voltage drops below the threshold of 3.3V (remaining power ≤ 20%), the low battery indicator flashes red slowly until the keyboard enters sleep mode or powers off.
When voltage drops below 3.1V, the keyboard shuts down automatically.
3. Quick Start

Select the corresponding mode according to your operating system. Set the switch to Win for Windows systems, and to Mac for Mac systems.
Wired Connection
Unpack the keyboard and data cable. Connect the USB-C end to the keyboard and the USB-A end to your computer to use basic functions.
For advanced custom settings, please install the driver software.
Device Name: VGN V108
2.4G Connection
Take out the receiver from the bottom of the keyboard and plug it into your computer’s USB port. Slide the mode switch to 2.4G. The keyboard will pair automatically and be ready for use.
2.4G Device Name: VGN V108 2.4G Dongle
Repairing: Press and hold FN+Q. The LED under the Q key will flash white rapidly, indicating pairing mode. Reinsert the receiver into your computer’s USB port. The indicator will return to normal lighting once connected successfully.
Bluetooth Connection
The keyboard can connect to one Bluetooth device at a time and save pairing information.
Bluetooth Device Names:
VGN V108 BT1 / VGN V108 BT2 / VGN V108 BT3
Slide the mode switch to the BT position.
Press and hold FN+W / FN+E / FN+R for 3 seconds.
The indicator under the W/E/R key will flash white rapidly.
Find VGN V108 BT1/BT2/BT3 in your device’s Bluetooth list and select to pair.
The indicator will return to normal lighting once connected successfully.
To Power Off the Keyboard
Set the mode switch to the middle USB position and disconnect the keyboard cable.
4. Indicator lights and mode descriptions

Indicator Lights
A: Num Lock Indicator: Solid white when on, off when disabled
B: Caps Lock Indicator: Solid white in uppercase mode, off in lowercase mode
C: Scroll Lock Indicator: Solid white when on, off when disabled
D: Battery Indicator:
Low battery: Red light flashes when battery < 20%
Charging: Solid red while charging, solid green when fully charged
E: 2.4G Pairing: Q key flashes white rapidly (1 min pairing)
2.4G Reconnection: Q key flashes white slowly (30 sec reconnection)
F: Bluetooth Pairing:
W key flashes white rapidly (BT Channel 1, 1 min pairing)
E key flashes white rapidly (BT Channel 2, 1 min pairing)
R key flashes white rapidly (BT Channel 3, 1 min pairing)
Bluetooth Reconnection:
W key flashes white slowly (BT Channel 1, 30 sec reconnection)
E key flashes white slowly (BT Channel 2, 30 sec reconnection)
R key flashes white slowly (BT Channel 3, 30 sec reconnection)
WIN Key/ALT Key
WIN Key: It cannot be used when the WIN key is locked. In the MAC mode, it functions as the option key.
ALT Key: In the MAC mode, it functions as the Command key.
Windows/MAC Modes

5. FN Combination Key Functions
| FN key combination functions | |||
| Combination Key | Windows System | Mac System | Description |
| Fn+Esc | Restore Factory Settings | Restore Factory Settings | (Press and hold for 3 seconds) Restore to factory default settings |
| Fn+F1 | Decrease Screen Brightness | Decrease Screen Brightness | - |
| Fn+F2 | Increase Screen Brightness | Increase Screen Brightness | - |
| Fn+F3 | Task View | Open Mission Control | - |
| Fn+F4 | My Computer | Launchpad | - |
| Fn+F5 | Search | Short press for Search, long press for Siri | - |
| Fn+F6 | Screenshot | Screenshot | - |
| Fn+F7 | Previous Track | Previous Track | - |
| Fn+F8 | Pause/Play | Pause/Play | - |
| Fn+F9 | Next Track | Next Track | - |
| Fn+F10 | Mute | Mute | - |
| Fn+F11 | Decrease Volume | Decrease Volume | - |
| Fn+F12 | Increase Volume | Increase Volume | - |
| Fn+Win | Lock Win Key | N/A | Win key white light stays on, setting retained after power off |
| Fn+Del | Main Backlight Color Switch | Main Backlight Color Switch | - |
| Fn+Home | Side Light Zone Effect Switch | Side Light Zone Effect Switch | - |
| Fn+End | Side Light Zone Color Switch | Side Light Zone Color Switch | - |
| Fn+↑ | Increase Backlight Brightness | Increase Backlight Brightness | 5 levels, factory default 50% brightness (0-25%-50%-75%-100%). Num, Caps, Scr indicator lights flash white 3 times. |
| Fn+↓ | Decrease Backlight Brightness | Decrease Backlight Brightness | 5 levels, factory default 50% brightness (0-25%-50%-75%-100%). Num, Caps, Scr indicator lights flash white 3 times. |
| Fn+→ | Increase Backlight Speed | Increase Backlight Speed | 6 levels, factory default 20% speed (0-20%-40%-60%-80%-100%). Num, Caps, Scr indicator lights flash white 3 times. |
| Fn+← | Decrease Backlight Speed | Decrease Backlight Speed | 6 levels, factory default 20% speed (0-20%-40%-60%-80%-100%). Num, Caps, Scr indicator lights flash white 3 times. |
| Fn+Enter | Check Battery Level | Check Battery Level | Backlight turns off, number keys 1 to 0 light up to show battery percentage. 100%-30% battery: number keys light green; 30%-10% battery: number keys light red. |
| Fn+Q | 2.4G Mode | 2.4G Mode | Valid when mode switch is set to 2.4G position |
| Fn+W | Bluetooth Mode 1 | Bluetooth Mode 1 | Valid when mode switch is set to BT position |
| Fn+E | Bluetooth Mode 2 | Bluetooth Mode 2 | Valid when mode switch is set to BT position |
| Fn+R | Bluetooth Mode 3 | Bluetooth Mode 3 | Valid when mode switch is set to BT position |
| Knob | Main Backlight Adjustment | Main Backlight Adjustment | Press to switch main backlight modes; turn clockwise to increase backlight brightness, counterclockwise to decrease backlight brightness. |
| Main Key Area Light Effects (Cycle Switching Starting from the Default Light Effect) | |
| Order | Name |
| 1 | Constant On Mode |
| 2 | Breathing Mode |
| 3 | Dreamy Rainbow |
| 4 | Tap-to-Activate |
| 5 | Rainy Stroll |
| 6 | Rainbow Wheel |
| 7 | Key Ripple |
| 8 | Starry Dots |
| 9 | Flowing Current |
| 10 | Ripple Follow (Default) |
| 11 | Shadow Trace |
| 12 | Sine Wave Light |
| 13 | Rotating Windmill |
| 14 | Colorful Waterfall |
| 15 | Blooming Prosperity |
| Light Bar Light Effects (Cycle Switching in Order) | |
| Order | Name |
| 1 | Flowing Light |
| 2 | Neon |
| 3 | Constant On |
| 4 | Breathing |
| 5 | Off |
6. FAQ
Q: Why is my WIN key not working?
A: When the WIN key is locked after pressing FN + WIN, the WIN key cannot be triggered. At this time, the WIN indicator on the keyboard is on. Press FN + WIN again to unlock it.
Q: I want to customize keys, use the macro function, and modify more RGB lighting effects. What should I do?
A: Visit VHUB via vgnlab.com. You can customize keys, edit macros, and modify RGB lighting effects through the driver to experience the full keyboard functions.
Wired
1.Package List
- Keyboard * 1
- USB-C Data Cable * 1
- Customized Switches * 3
- Electronic Instruction Manual * 1
- 2-in-1 switch and keycap puller * 1
- Warranty certificate* 1
- Dust cover* 1
2. Product Parameters
Connection Type: USB Wired, 2.4G, Bluetooth
Number of Keys: 108 (including knob)
Product Dimensions: 445.77 × 139.6 × 41.84 mm
Switch Type: Mechanical Switch
Backlight Type: RGB
Memory Function: Supported
Driver Support: USB Wired, 2.4G
Operating Voltage: DC 5V (wired); 3.7V (wireless, lithium battery)
Supported Systems: Win7/Win8/Win10/Win11/MacOS
3. Quick Start

Select the corresponding mode according to your operating system. Set the switch to Win for Windows systems, and to Mac for Mac systems.
Wired Connection
Unpack the keyboard and data cable. Connect the USB-C end to the keyboard and the USB-A end to your computer to use basic functions.
For advanced custom settings, please install the driver software.
Device Name: VGN V108 Wired Keyboard
Backlight On/Off
Slide the backlight switch to the On position to enable keyboard backlighting, and to the Off position to disable it.

4. Indicator lights and mode descriptions

Indicator Lights
A: Num Lock Indicator: Solid white when enabled, off when disabled
B: Caps Lock Indicator: Indicates uppercase/lowercase mode; solid white in uppercase, off in lowercase
C: Scroll Lock Indicator: Solid white when enabled, off when disabled
D: Win Lock Indicator: Solid white when Win lock is enabled; setting is saved after power off
WIN Key/ALT Key
WIN Key: It cannot be used when the WIN key is locked. In the MAC mode, it functions as the option key.
ALT Key: In the MAC mode, it functions as the Command key.
Windows/MAC Modes

5. FN Combination Key Functions
| FN key combination functions | |||
| Combination Key | Windows System | Mac System | Description |
| Fn+Esc | Restore Factory Settings | Restore Factory Settings | (Press and hold for 3 seconds) Restore to factory default settings |
| Fn+F1 | Decrease Screen Brightness | Decrease Screen Brightness | - |
| Fn+F2 | Increase Screen Brightness | Increase Screen Brightness | - |
| Fn+F3 | Task View | Open Mission Control | - |
| Fn+F4 | My Computer | Launchpad | - |
| Fn+F5 | Search | Short press for Search, long press for Siri | - |
| Fn+F6 | Screenshot | Screenshot | - |
| Fn+F7 | Previous Track | Previous Track | - |
| Fn+F8 | Pause/Play | Pause/Play | - |
| Fn+F9 | Next Track | Next Track | - |
| Fn+F10 | Mute | Mute | - |
| Fn+F11 | Decrease Volume | Decrease Volume | - |
| Fn+F12 | Increase Volume | Increase Volume | - |
| Fn+Win | Lock Win Key | N/A | Win key white light stays on, setting retained after power off |
| Fn+Del | Main Backlight Color Switch | Main Backlight Color Switch | - |
| Fn+Home | Side Light Zone Effect Switch | Side Light Zone Effect Switch | - |
| Fn+End | Side Light Zone Color Switch | Side Light Zone Color Switch | - |
| Fn+↑ | Increase Backlight Brightness | Increase Backlight Brightness | 5 levels, factory default 50% brightness (0-25%-50%-75%-100%). Num, Caps, Scr indicator lights flash white 3 times. |
| Fn+↓ | Decrease Backlight Brightness | Decrease Backlight Brightness | 5 levels, factory default 50% brightness (0-25%-50%-75%-100%). Num, Caps, Scr indicator lights flash white 3 times. |
| Fn+→ | Increase Backlight Speed | Increase Backlight Speed | 6 levels, factory default 20% speed (0-20%-40%-60%-80%-100%). Num, Caps, Scr indicator lights flash white 3 times. |
| Fn+← | Decrease Backlight Speed | Decrease Backlight Speed | 6 levels, factory default 20% speed (0-20%-40%-60%-80%-100%). Num, Caps, Scr indicator lights flash white 3 times. |
| Knob | Main Backlight Adjustment | Main Backlight Adjustment | Press to switch main backlight modes; turn clockwise to increase backlight brightness, counterclockwise to decrease backlight brightness. |
| Main Key Area Light Effects (Cycle Switching Starting from the Default Light Effect) | |
| Order | Name |
| 1 | Constant On Mode |
| 2 | Breathing Mode |
| 3 | Dreamy Rainbow |
| 4 | Tap-to-Activate |
| 5 | Rainy Stroll |
| 6 | Rainbow Wheel |
| 7 | Key Ripple |
| 8 | Starry Dots |
| 9 | Flowing Current |
| 10 | Ripple Follow (Default) |
| 11 | Shadow Trace |
| 12 | Sine Wave Light |
| 13 | Rotating Windmill |
| 14 | Colorful Waterfall |
| 15 | Blooming Prosperity |
| Light Bar Light Effects (Cycle Switching in Order) | |
| Order | Name |
| 1 | Flowing Light |
| 2 | Neon |
| 3 | Constant On |
| 4 | Breathing |
| 5 | Off |
6. FAQ
Q: Why is my WIN key not working?
A: When the WIN key is locked after pressing FN + WIN, the WIN key cannot be triggered. At this time, the WIN indicator on the keyboard is on. Press FN + WIN again to unlock it.
Q: I want to customize keys, use the macro function, and modify more RGB lighting effects. What should I do?
A: Visit VHUB via vgnlab.com. You can customize keys, edit macros, and modify RGB lighting effects through the driver to experience the full keyboard functions.










