A4TECH Bluetooth 2.4G Wireless Keyboard User Guide
WHAT’S IN THE BOX
Bluetooth/2.4G
Wireless Keyboard
2.4G Nano Receiver
USB Extension Cable
Alkaline Battery
User Manual
THE FRONT
THE FLANK / BOTTOM
CONNECTING 2.4G DEVICE
- Plug the receiver into the computer’s USB port.
- Turn on the keyboard power switch.
- Yellow light will be solid (10S).
The light will be off after conne
Indicator
Note: USB extension cable is recommended to connect with Nano receiver.
(Make sure the keyboard is closed to the receiver within 30 cm)
CONNECTING BLUETOOTH DEVICE 1
(For Mobile Phone/Tablet/Laptop)
- Short-press FN+7 and choose Bluetooth device 1 and light up in blue.
Long-press FN+7 for 3S and blue light flashes slowly when pairing. - Choose [A4 FBK30] from your Bluetooth device.
The indicator will be solid blue for a while then light off after the keyboard is connected.
CONNECTING BLUETOOTH DEVICE 2
(For Mobile Phone/Tablet/Laptop)
- Short-press FN+8 and choose Bluetooth device 2 and light up in green.
Long-press FN+8 for 3S and green light flashes slowly when pairing. - Choose [A4 FBK30] from your Bluetooth device.
The indicator will be solid green for a while then light off after the keyboard is connected.
CONNECTING BLUETOOTH DEVICE 3
(For Mobile Phone/Tablet/Laptop)
- Short-press FN+9 and choose Bluetooth device 3 and light up in purple.
Long-press FN+9 for 3S and purple light flashes slowly when pairing. - Choose [A4 FBK30] from your Bluetooth device.
The indicator will be solid purple for a while then light off after the keyboard is connected.
OPERATING SYSTEM SWAP
Windows / Android is default system layout.
| System | Shortcut［Long-Press for 3S］ | Device / Layout Indicator |
| iOS |  | Light will be off after flashing. |
| Mac |  | |
| Windows, Chrome, Android & HarmonyOS |  |
Note: The layout you used last time will be remembered. You can switch the layout by following the above step.
INDICATOR
Keyboard
2.4G Device
Bluetooth Device 1
Bluetooth Device 2
Bluetooth Device 3
| Indicator |  Yellow Light |  Blue Light |  Green Light |  Purple Light |
| Multi-Device Switch |  |  |  |  |
| Device Switch:Short-Press for 1S | Solid Light 10S | Solid Light 5S | ||
| Pair Device:Long-Press for 3S | No Need to Pair | Pairing: Flashes Slowly Connected: Solid Light 10S | ||
FN MULTIMEDIA KEY COMBINATION SWITCH
FN Mode: You can lock & unlock Fn mode by short pressing FN + ESC by turn.
Lock Fn Mode: No need to press FN key- Unlock Fn Mode: FN + ESC
- After pairing, FN shortcut is locked in FN mode by default, and the locking FN is memorized when switching and shutting down
Windows / Android / Mac / iOS
OTHER FN SHORTCUTS SWITCH
| Shortcuts | Windows | Android | Mac / IOS |
 | Pause | Pause | Pause |
 | Device Screen Brightness + | Device Screen Brightness + | Device Screen Brightness + |
 | Device Screen Brightness – | Device Screen Brightness – | Device Screen Brightness – |
 | Screen Lock | Screen Lock (iOS Only) | |
 | Scroll Lock | Scroll Lock |
Note: The final function refer to the actual system.
DUAL-FUNCTION KEY
Multi-System Layout
| Keyboard Layout | Windows / Android (w/a) | IOS / Mac (ios / mac) |
 | Switching Steps:
| |
 | Ctrl | Control ^ |
 | Alt | Option  |
 | Start  | Command  |
 | Alt (Right) | Command |
 | Ctrl (Right) | Option |
LOW BATTERY INDICATOR
Flashing Red light indicates when the battery is below 10%.
SPECIFICATIONS
- Model: FBK30
- Connection: Bluetooth / 2.4G
- Operating Range: 5~10 M
- Multi-Device: 4 Devices (Bluetooth x 3, 2.4G x 1)
- Layout: Windows｜Android｜Mac｜iOS
- Battery: 1 AA Alkaline Battery
- Battery Life: Up to 24 Months
- Receiver: Nano USB Receiver
- Includes: Keyboard, Nano Receiver, 1 AA Alkaline Battery,
USB Extension Cable, User Manual - System Platform：Windows / Mac / iOS / Chrome / Android / Harmony OS…
Q & A
A. You can switch layout by pressing Fn + I / O / P under Windows｜Android｜Mac｜iOS.
A. The layout you used last time will be remembered.
A. Interchange and connect up to 4 devices at the same time.
A. The device you connected last time will be remembered.
A. When you turn on your device, the device indicator will be solid. (disconnected: 5S, connected: 10S)
A.By pressing FN + Bluetooth shortcut ( 7 – 9 ).
WARNING STATEMENT
The following actions may damage the product.
- To disassemble, bump, crush, or throw into fire is forbidden for the battery.
- Do not expose under the strong sunlight or high temperature.
- The discard of battery should obey to the local law, if possible please recycle it.
Do not dispose it as household garbage, because it may cause an explosion. - Do not continue to use if severe swelling occurs.
- Please do not charge the battery.
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Documents / Resources
 | A4TECH A4TECH Bluetooth 2.4G Wireless Keyboard [pdf] User Guide A4TECH Bluetooth 2.4G Wireless Keyboard, A4TECH, Bluetooth 2.4G Wireless Keyboard, 2.4G Wireless Keyboard, Wireless Keyboard |
