Charging status:
1. Breathing white light: Charging
2. Solid white light: Fully charged
3. Flashing white light: Pairing mode
Battery status:
1. No light: Battery depleted
2. Red light: Battery level below 30%
3. White light: Battery level at or above 30%
Factory reset:
1. Press and hold the Bluetooth pairing button for 10 seconds
2. The red light flashes 3 times, and then turns solid white—reset complete.