After turning on the mask, the remote screen lights up, but the mask cannot be controlled.

"Please reset both the remote control and the mask.Pairing Instructions:
a. Press and hold the mask's power button for 5 seconds. The indicator will first show a green light and then a flashing red light, signaling that the device has entered pairing mode.
b. Simply press the ON/OFF button on the remote control to complete the pairing process."