Ensure you are in Bluetooth mode rather than 2.4G mode by checking the mode switch (if applicable) or using Fn + Tab to toggle modes.
: It is equipped with a 580mAh (or 180mA in some variants) lithium battery, offering roughly 4 weeks of continuous use and a 120-day standby time.
| Function | Key Combination | |----------|----------------| | Bluetooth pairing | Fn + Q / W / E (hold 3 sec) | | Switch between devices | Fn + Q / W / E (tap) | | Backlight brightness | Fn + ↑ / ↓ | | Change backlight mode | Fn + \ (or Fn + Ins ) | | Battery check | Fn + Spacebar (lights blink 1-4 times) | | Reset keyboard | Fn + Spacebar (hold 5 sec until backlight flashes) |
Press and hold Fn + P for about 3 seconds. The P key will start blinking rapidly, indicating the keyboard is now in pairing mode and discoverable by your computer or mobile device. rk908 bluetooth keyboard manual link
The multi-device function allows you to connect the keyboard to your PC, tablet, or smartphone and switch between them instantly. TECPHILE RK908 Muti-device Bluetooth Wireless Keyboard
Switch the RK908 keyboard to the 'On' position, usually found on the underside.
Clear your host device's Bluetooth cache by removing "RK908" from your saved devices list, then attempt to pair again from scratch. Keys are Typing the Wrong Characters Ensure you are in Bluetooth mode rather than 2
Hold for several seconds to clear all Bluetooth pairings and settings. Common Troubleshooting Tips
, the connection process and technical specifications for this model—often sold under brands like or TECPHILE —follow standard Royal Kludge (RK) procedures. Bluetooth Pairing Instructions
The keyboard will automatically function and charge simultaneously. Essential Shortcut Keys System Switching : Switch to Windows Mode FN + S : Switch to macOS Mode RGB Backlight Control FN + \ | : Cycle through 18 different RGB backlight effects. FN + . : Cycle through backlight solid color variations. The P key will start blinking rapidly, indicating
This comprehensive guide serves as your digital manual, covering everything from initial setup to advanced shortcuts. Official RK908 Manual Downloads
The indicator light under the key will flash rapidly, signaling that the keyboard is discoverable. Step 4: Complete Pairing on Your Device