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ISJ-WJK73BT4 Backlit Bluetooth Keyboard


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  • 4 Devices Sync:
    Easily switch devices with FN + BT1/BT2/BT3/BT4 button.
  • Backlit Keyboard:
    7 Stylish backlight colors and 3 brightness levels, make typing easier at night.
  • Rechargeable & Auto Sleep:
    Built-in rechargeable battery. Will be turned off after 2 minutes of inactivity.
  • Quiet Typing:
    Scissor switch keys allows for increased stability and precise, also fades sound as you type.
  • Wide Compatibility:
    Works on PC, laptops, computers, tablets, smartphones or other devices with Bluetooth 5.1 or above.

ISJ-WJK73BT4 Backlit KeyboardISJ-WJK73BT4 Backlit Keyboard


ISJ-WJK73BT4 Backlit Keyboard

Support 4 Devices Simultaneously

The Bluetooth keyboard can connect 4 devices simultaneously and switch easily between them by pressing FN+BT1/BT2/BT3/BT4. Perfect for those needing to operate multiple devices. It supports auto-reconnect with the last device when you turn on the keyboard again.

ISJ-WJK73BT4 Backlit Keyboard

Ultra-Slim and Ergonomic Design

The ultra slim and ergonomic design make you more comfortable when using the keyboard, which is the good choice for working, study and playing, stylish and useful. The Backlit Bluetooth keyboard is compatible with macOS, Windows, iOS and Android systems. Work with PC, iPad, iPhone, MacBook, Android smartphones, tablets and more devices.

ISJ-WJK73BT4 Backlit Keyboard

Rechargeable Bluetooth Keyboard

Say goodbye to battery replacement! This wireless backlit keyboard is rechargeable. It can be easily recharged via the included Type C cable. Last but not least, separate ON/OFF switch and Smart auto sleep feature design for power saving.

ISJ-WJK73BT4 Backlit Keyboard

Number Pad & LED indicators

Seenda backlit Bluetooth keyboard is equipped with numeric keypad which is really great for spreadsheets and finance applications. Thanks to the built-in LED indicators in the keyboard, you can know more information of the keyboard.

ISJ-WJK73BT4 Backlit Keyboard

Responsive and Quiet Keys

There's no other Bluetooth keyboard with which you can type as quickly as you can silently! The Incredible scissor switch key structure activates keys when they have only been pressed halfway down, saving your hands and wrists and letting you write faster than ever. No need to worry about disturbing others because of quiet click.

ISJ-WJK73BT4 Backlit Keyboard

7-Color Backlight

This is a stylish and beautiful wireless keyboard with 7 backlight colors and 4 brightness levels(low-mid-high-off). Not only can you experience different visual enjoyments, but you can also use it easily in dark places. The gentle light doesn’t harm your eyes!


ISJ-WJK73BT4 Backlit Keyboard
ISJ-WJK73BT4 Specifications
Bluetooth Version Bluetooth 5.1
Working Range 10M
Battery Capacity 1600 mAh
Working Hours 320 Hours(No backlight);8 Hours(with the Brightest Backlight)
Charging Time 2 Hours
Standby Time 2100 Hours
Backlight Sleep Mode After 2 mins no use
Keyboard Sleep Mode After 30 mins no use
Required Systems Mac OS, Windows, iOS and Android
Package Content Backlit Wireless Bluetooth Keyboard * 1;Type C Charging Cable * 1;User Manual * 1


Easy to Connect

1) Press and hold the “Fn” button, and then press the “Bluetooth 1” button.When the LED1 blue light flashes 1s and then off,the BT1 is switched on.

2) Press and hold the BT1 button for 3 seconds,and when LED1 blue light flashes quickly,the keyboard enters pairing mode.

3) Find the keyboard name "Bluetooth 5.1 Keyboard" on the Bluetooth list to connect.

LED1:Num Lock(Green Light)/BT1(Blue Light)

LED2:Caps Lock(Green Light)/BT2(Blue Light)

LED3:Fn Lock(Green Light)/Low Power(Red Light)/BT3(Blue Light)

LED4:Charging(Red Light)/BT4(Blue Light)


Troubleshooting Common Problems

1)Make sure your keyboard is fully charged before use and make sure you have turned on the bluetooth function when you connect.

2)Make sure your keyboard is in its working range.(10M)

3)Make sure you have been successfully paired to the tablet.

4)Clean up the bluetooth pairing devices on the laptop and trying repairing.

5)Do not pair multiple keyboards to the same device.

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