FAQ - XK03 keyboard

About the Esc button of the XK03 keyboard:
  1. Directly press the Esc button to get a "`".
  2. Press Shift + Esc button to get a "~".
  3. Press the Fn + Esc button to open the home page.
  4. Press the Fn + Shift + Esc button to get the Esc function.

By resetting the keyboard Bluetooth and entering the pairing mode for the desired channel, you should be able to establish a connection.