Earphones inside Charging case - Upon opening the charging case, the earphones will power on automatically. The LED indicator on each earphone will flash Red once and White twice, accompanied by an audio prompt indicating the power status and battery level.
Earphones outside Charging case - To manually power on the M4U TWM, press and hold the control buttons on both earphones for 1 second. An audio prompt will signal the power-on status, and the LED indicator on both earphones will flash White twice.
When the earphones are ready for pairing, the left earphone's LED indicator will blink Red and White, and the right earphone's LED will blink White (every 5 seconds), accompanied by an audio prompt indicating the pairing status.
To initiate the pairing process:
- Open the Bluetooth settings on your device, enable Bluetooth, and scan for available devices.
- Select "PSB M4U TWM" from the Bluetooth settings.
Upon successful pairing, an audio prompt will confirm the connection, and both earphones will flash White every 5 seconds.
Note: The M4U TWM will automatically shut down if it remains unpaired with a device for more than 5 minutes. An audio prompt will be triggered during the power-off process.
To disconnect or unpair the M4U TWM from the device:
- Open the Bluetooth settings on the source device.
- Unpair or disconnect by selecting your M4U TWM from the source device’s paired devices list.