RK908 Bluetooth Keyboard Manual and Hotkey Guide

FN + ← / →: Increase or decrease the speed of backlight movement. Macro Recording (5 Programmable Keys):

Enter Pairing Mode: Press and hold Fn + Q (or whichever slot you chose) for about 3 seconds. The key should start flickering rapidly, indicating it is in pairing mode.

1. The keyboard won’t pair via Bluetooth.

Dynamic Visuals: It features RGB backlighting with nine preset modes, including reactive modes that light up as you type.

5. Power Management & Charging

  • Charging: Connect the USB-C cable to a 5V power source. While charging, a LED indicator usually turns red (or breathes). When fully charged, it turns green or turns off.
  • Battery Life: Battery life depends heavily on RGB brightness and connection mode. Bluetooth mode consumes less power than 2.4GHz mode.
  • Auto-Sleep: To save power, the keyboard will enter sleep mode after approximately 5-10 minutes of inactivity. Press any key to wake it up (it may take 1-2 seconds to reconnect).