1. Forget the pairing record on your device, turn off Bluetooth and turn it on again.
2. Reset Life Q30 by long pressing the power button and volume + button for 5 seconds.
3. Try to pair Life Q30 with another device.
Below video link for your reference
https://www.youtube.com/watch?v=9hmITJm7pLY#https://www.youtube.com/watch?v=9hmITJm7pLY