To manually power off the M4U TWM, press and hold the control buttons on both earphones for 5 seconds. The LED indicator will flash Red twice, accompanied by an audio prompt indicating the power-off status.
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.
Upon powering on the M4U TWM, it will automatically reconnect via Bluetooth to the last known device. This will be indicated by the "Connected" audio prompt status, and the LED indicators on both earphones will flash White every 5 seconds.
If the last known device is unavailable, the earphones will be in pairing mode. The left earphone's LED indicator will blink Red and White, while the right earphone's LED will blink White every 5 seconds. An audio prompt will accompany this, indicating the pairing status.
- The M4U TWM will automatically power down if it remains unpaired with a device for more than 5 minutes, with an accompanying audio prompt during the power-off process.
- Individual earphones can be manually powered on or off using the procedures outlined above only on that earphone.