Yunzii B309 Upgraded Wireless Retro Keyboard User Manual
Bluetooth connection method (3 devices connected)
- (CH 1) Connecting to the first Bluetooth device
- To activate the Bluetooth CH 1 indicator, turn the mode switch dial. (Blue LED blinking / ready to pair)
- Activate the Bluetooth function on the device to be connected, and then select “ActtoKB – Item No. (B307 or B309)”. (Blue LED lights up)
(CH 2) Connecting to the second Bluetooth device - To activate the Bluetooth CH 2 indicator, turn the mode switch dial. (Blue LED blinking / ready to pair)
- Activate the Bluetooth function on the device to be connected, and then select
“ActtoKB – Item No. (B307 or B309)”. (Blue LED lights up)
(CH 3) Connecting to the third Bluetooth device - To activate the Bluetooth CH 3 indicator, turn the mode switch dial. (Blue LED blinking / ready to pair)
- Activate the Bluetooth function on the device to be connected, and then select “ActtoKB – Item No. (B307 or B309)”. (Blue LED lights up)
An LED will remain illuminated on the corresponding channel once pairing has been completed. [ How to re-pair ] You can re-pair your device with another device by pressing Fn + K together for approximately three seconds. [ How to change Bluetooth channel ] Rotate the “mode switch dial” to change. (Automatic connection to devices registered to each channel.)
Bluetooth connection method (Mac PC)
- Click “System Preferences” > “Bluetooth” on your computer.
- Click “Turn Bluetooth On.”
- The Bluetooth channel is selected by rotating the mode switch dial (CH 1 to 3). (Blue LED blinking / ready to pair)
- Activate the Bluetooth function on the device to be connected, and then select “ActtoKB – Item No. (B307 or B309)”. (Blue LED lights up) Bluetooth connection method (Windows 10/11)
Before using this product, make sure your computer is equipped with a built-in Bluetooth receiver. You may not be able to use this product if the Bluetooth receiver is not installed, so it is imperative that you purchase and install a Bluetooth receiver after installation.
- Bluetooth receivers appear in the taskbar of your Windows computer when they are connected to the computer via Bluetooth.
- Hover over the Bluetooth icon and right-click. 3. Click “Add Bluetooth Device”.
- Select the type of device you want to search. (Select “Bluetooth”)
- Rotate the mode switch dial to select the Bluetooth channel (CH 1 to 3). (Blue LED blinking / ready to pair)
- Activate the Bluetooth function on the device to be connected, and then select “ActtoKB – Item No. (B307 or B309)*. (Blue LED lights up)
How to reset Bluetooth pairing
It is possible to delete all device information connected to CH 1 to 3 by pressing and holding Fn + C for approximately 3 seconds Delete the pairing history (forget device and remove the device) from each existing connected device. You must delete the pairing history without disabling the Bluetooth function.
System conversion
Ensure that the keyboard and the device to be used are connected to each other at all times.
- Android : Fn + Q
- Windows : Fn + W
- iOs, Mac: Fn + E
Some keys may not work depending on the device and system. If the OS connected to each device is different, please use [System Conversion] according to the corresponding OS.
Status Indicator LED
- Battery indicator (Low voltage indication – Green LED blinks, Charging – Green LED on, When fully charged – Green LED off
- Caps Lock indicator (Upon pressing the Caps Lock key, the LED turns on)
- Num Lock indicator (Upon pressing the Num Lock key, the LED turns on)
The Num Lock feature is not supported on IOS devices, and the LED is not switched on.
14 function keys (11 hot keys)
default value
Shift + F1 – F12
Fn + F1 ~ F12, ESC, Enter
Fn + Shift + F1-F12, ESC
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 0 – = BESC
- Emoji * B307
- Shift + F1 (!)
- Shift +F2 (@)
- Shift + F3 (#)
- Shift + F4 ($)
- Shift + F5 (%)
- Shift + F6 (*)
- Shift + F7 (&)
- Shift + F8 (*)
- Shift + F9 (()
- Shift + F10 ())
- Shift + F11 (_)
- Shift + F12 (+)
- Fn + F1 (F1)
- Fn +F2 (F2)
- Fn+F3 (F3)
- Fn +F4 (F4)
- Fn + F5 (F5)
- Fn + F6 (F6)
- Fn +F7 (F7)
- Fn + F8 (F8)
- Fn + F9 (F9)
- Fn + F10 (F10)
- Fn +F11 (F11)
- Fn +F12 (F12)
- Fn + ESC (.)
- Fn + Enter (Emoji) * B309
- Fn + Shift + F1 (screen brightness reduction)
- Fn + Shift + F2 (increased screen brightness)
- Fn + Shift + F3 (Android : searching / Windows, Mac : multitasking)
- Fn + Shift + F4 (Android : language / Windows, Mac : program list) ( Fn + Shift + F7 (previous song)
- Fn + Shift + F8 (play / pause music)
- Fn + Shift + F9 (next song)
- Fn + Shift + F10 (mute)
- Fn + Shift + F11 (volume -)
- Fn + Shift + F12 (volume +)
- Fn + Shift + ESC (~)
When using the product, hold down the Shift, Fn, Fn+Shift key and press the corresponding key to use. Performing “System Conversion” according to your device’s operating system is a recommended precaution before using a bluetooth keyboard. Some keys may not work depending on the device and system.
Volume control
Volume control dial make it convenient and easy to adjust the volume.
Power on / off
- Power on
Push the power button to the right to turn on the power. - Power off
Push the power button to the left to turn off the power.
Charging method
- Connect the supplied USB to C cable to the charging port.
- Charging starts when the USB port part is connected to the charging adapter.
Make sure to check charging voltage before you charge. Please use 5V/1A Low power adapter only. Do not use 5V/2A-9V/2A High power adapter.
Battery power saving mode
After approximately 10 minutes of inactivity, the device enters sleep mode. You can switch to operating mode automatically by pressing any key.
Cautions
- Read the product’s user manual carefully before using it.
- The presence of many Bluetooth devices may result in requency confusion. Make sure the product is not disturbed by other Bluetooth devices.
- Do not disassemble or assemble arbitrarily.
- We recommend that you remove the keyboard and keycap with the power off before cleaning.
- It does not support waterproof or dustproof functions. Be careful from contact with water or contamination such as dust.
- Can be used at a distance of up to 10 meters.
- There may be a disconnection phenomenon occurrence when interference occurs between obstructions and devices| using the same frequency band or Wi-Fi signal) T If you intend to connect Bluetooth to a PC through a laptop or USB dongle, you should download and install the latest Bluetooth driver from the manufacturer before starting the connection
- Please turn off the power after use. – The battery may run out quickly if the power is not turned off.
- Use the approved charging cable that came with the product.
- Do not overcharge for up to 24 hours or more.
- Charging time may vary depending on the charging environment (output),
- Use while charging is not recommended.
- In the event that the battery is too hot or too cold, it will shorten our battery’s lifespan and may cause it to become temporarily unresponsive.
- Do not store in places with high temperatures and humidity. It may cause a malfunction.
- Be careful not to hurt your hands when opening the package.
- Injuries may occur to the cut portion.
- To improve performance, specifications may change without notice.
Connect up to 4 devices
The mode switch dial allows you to connect up to four devices. (Wired mode + Bluetooth mode (1, 2, 3 channel })
Wired mode connection method (USB to C cable)
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