Once connected, the indicator light will stop flashing. 3. Hotkeys and Special Functions
Select a profile slot by pressing and holding , FN + W , or FN + E for three to five seconds.
The RK908 supports three connection modes: wired (USB-C), Bluetooth, and 2.4GHz wireless. The manual emphasizes that the keyboard remembers the last used mode. To switch modes, users press for Bluetooth channels 1–3, Fn + R for 2.4GHz mode (if the dongle is inserted), or Fn + T for wired mode. This flexibility allows seamless switching between a desktop PC, a laptop, and a tablet. rk908 bluetooth keyboard manual hot
Quickly toggle between paired devices by short-pressing Fn + Q/W/E . Backlight Control: Fn + : Cycle through different RGB lighting effects. Fn + Up/Down Arrows: Adjust the brightness of the keys.
If the keyboard fails to pair, delete the "RK908 Keyboard" profile from your computer's Bluetooth settings menu, perform a factory reset on the keyboard, and run the pairing procedure again. Once connected, the indicator light will stop flashing
: Short press Fn + Q , Fn + W , or Fn + E to choose a device slot. The backlight will blink to confirm. Pairing Mode : Long press Fn + Q/W/E
The RK908 can store connection profiles for up to three wireless devices simultaneously. You can toggle among your laptop, tablet, and smartphone using quick hardware commands. The RK908 supports three connection modes: wired (USB-C),
Select from the discovered devices list. The key will stop blinking once connected. Switching Devices
Charge the keyboard for at least 1-2 hours.
Decrease backlight brightness levels. FN + ← (Left Arrow): Slow down the animation cycle speed. FN + → (Right Arrow): Speed up the animation cycle speed. 🛠️ 5. Troubleshooting & Factory Reset
Ensure your keyboard is in Wired Mode (via the USB cable) before opening the software, or it likely won't detect the device. Final Thoughts