FBK11/FBKS11
QUICK START GUIDE
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WHAT’S IN THE BOX 
THE FRONT 

THE FLANK/BOTTOM 
CONNECTING 2.4G DEVICE

Plug the receiver into the computer’s USB port. | Turn on the keyboard power switch. | The yellow light will be solid (10S). The light will be off after connecting. |
Note: A USB extension cable is recommended to connect with the 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+9 and choose device 3 (Indicator shows purple light for 5S). | Long-press FN+9 for 3S and purple light flashes slowly when pairing. | Turn on the Bluetooth of your device, search and locate the BT name on the device: [A4 BK11]. | After the connection is established, the indicator will be solid purple for 10S then will be off automatically. |
CONNECTING BLUETOOTH DEVICE 2 (For Mobile Phone/Tablet/Laptop)
Short-press FN+8 and choose Device 2 (Indicator shows green light for 5S). | Long-press FN+8 for 3S and green light flashes slowly when pairing. | Turn on the Bluetooth of your device, search and locate the BT name on the device:[A4 FBK11]. | After the connection is established, the indicator will be solid green for 10S then will be off automatically. |
CONNECTING BLUETOOTH DEVICE 3 (For Mobile Phone/Tablet/Laptop)
Short-press FN+9 and choose device 3 (Indicator shows purple light for 5S). | Long-press FN+9 for 3S and a purple light flashes slowly when pairing. | Turn on the Bluetooth of your device, search and locate the BT name on the device: [A4 BK11]. | After the connection is established, the indicator will be solid purple for 10S then will be off automatically. |
OPERATING SYSTEM SWAP
Windows / Android is the default system layout.
System | Shortcut [Long-Press for 3S] | Device / Layout Indicator |
iOS | ![]() | The light will be off automatically after flashing. |
Mac | ![]() | The light will be off automatically after flashing. |
Windows & Android | ![]() | The light will be off automatically after flashing. |
Note: The layout you used last time will be remembered. You can switch the layout by following the above step.
INDICATOR (For Mobile Phone/Tablet/Laptop) 
FN MULTIMEDIA KEY COMBINATION SWITCH
FN Mode: You can lock & unlock Fn mode by short pressing FN + ESC by turn.
① Lock Fn Mode: No need to press the FN key
② Unlock Fn Mode: FN + ESC
※ After pairing, the 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 FN
Shortcuts | Windows | Android | Mac / iOS |
![]() | Switching Steps:
| ||
![]() | Pause | Pause | Pause |
![]() | Brightness + | Brightness + | Brightness + |
![]() | Brightness – | Brightness – | Brightness – |
![]() | Screen Lock | Screen Lock | |
![]() | Screen Lock | Screen Lock |
Note: The final function refers to the actual system.
DUAL-FUNCTION KEY
Multi-System Layout
Keyboard Layout | Windows / Android (W / A) | Mac / iOS (ios / mac) |
![]() | Ctrl | Control ![]() |
![]() | Start ![]() | Option ![]() |
![]() | Alt | Command ![]() |
![]() | Alt | Command ![]() |
![]() | Ctrl | Option ![]() |
LOW BATTERY INDICATOR
Flashing Red light when the battery is below 10%.
SPECIFICATIONS
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: 2 AAA Alkaline Batteries
Battery Life: about 650H (12 Months)
Receiver: Nano USB Receiver
Includes: Keyboard, Nano Receiver, 2 AAA Alkaline Batteries,
USB Extension Cable, User Manual
System Platform: Windows |Mac|iOS|Android…
Q & A
![]() | How do switch layouts under a different system? |
![]() | You can switch layout by pressing Fn + I / O / P under Windows|Android|Mac|iOS. |
![]() | Can the layout be remembered? |
![]() | The layout you used last time will be remembered. |
![]() | How many devices can be connected? |
![]() | Interchange and connect up to 4 devices at the same time. |
![]() | Does the keyboard remember the connected device? |
![]() | The device you connected to last time will be remembered. |
![]() | How can I know whether the current device is connected or not? |
![]() | When you turn on your device, the device indicator will be solid. (disconnected: 5S, connected: 10S) |
![]() | How to switch between connected Bluetooth devices 1-3? |
![]() | By pressing FN + Bluetooth shortcut ( 7 – 9 ). |
WARNING STATEMENT 
The following actions may damage the product.
- To disassemble, bump, crush, or throw into a fire is forbidden for the battery.
- Do not expose to strong sunlight or high temperature.
- The discard of batteries should obey the local law, if possible please recycle them.
Do not dispose of 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 FBK11 Bluetooth & 2.4G Wireless Keyboard [pdf] User Guide FBK11, FBKS11, FASTLER Bluetooth Wireless Keyboard, Bluetooth 2.4G Wireless Keyboard |