Portronics Muffs M3 — Troubleshooting Guide

TABLE OF CONTENTS

• Quick Troubleshooting
• 1. Headphones Do Not Turn On
• 2. Bluetooth Is Not Connecting
• 3. Headphones Will Not Reconnect
• 4. Bluetooth Connected but No Sound
• 5. ANC Does Not Turn On or Off
• 6. Headphones Are Not Charging
• 7. Headphones Turn Off Automatically
• 8. No Sound in AUX / Wired Mode
• 9. Music Controls Are Not Working
• 10. Calls Are Not Working
• 11. Battery Life Seems Short
• Still stuck?

Quick Troubleshooting

1. Headphones Do Not Turn On

1. Connect the Type-C charging cable to the right earcup.
2. Check that the other end is connected to a working USB port or suitable charger.
3. Check whether the red LED indicates charging.
4. Allow the headphones to charge.
5. Press and hold the Power Button for about 3 seconds to turn them on.

2. Bluetooth Is Not Connecting

1. Turn on the headphones by holding the Power Button for about 3 seconds.
2. Check that the red and blue LEDs blink to indicate pairing mode.
3. Open Bluetooth settings on your phone, tablet or computer.
4. Search for Muffs M3 and select it. If your device shows Muffs M3-ANC, select that entry.
5. Keep the device within approximately 10 metres during pairing.

3. Headphones Will Not Reconnect

1. Make sure the headphones are powered on.
2. Enable Bluetooth on the previously paired device.
3. Open Bluetooth settings and select the saved Muffs M3 entry.
4. If connection fails, choose Forget or Remove.
5. Pair the headphones again.

If the headphones are still linked to another device, press and hold the Power Button while they are powered on to disconnect, then repeat the pairing steps.

4. Bluetooth Connected but No Sound

1. Confirm Muffs M3 is selected as the active audio output.
2. Increase the volume on your phone or computer.
3. Use the “+” control area to increase headphone volume by pressing and holding it.
4. Check that media playback is not paused.
5. Disconnect and reconnect Bluetooth if required.

5. ANC Does Not Turn On or Off

1. Press the ANC Button once.
2. Check whether the white LED turns on.
3. Press the ANC Button again to turn ANC off; the white LED should turn off.
4. Listen for the voice prompt where available.

If the ANC button does not respond, restart the headphones and try again.

6. Headphones Are Not Charging

1. Connect the Type-C cable securely to the right earcup.
2. Use a compatible USB port or suitable USB charger.
3. Check the cable for visible damage.
4. Observe the LED:
   • Solid red: charging
   • Blue: fully charged
5. Allow approximately 2.5 hours for a full charge.

7. Headphones Turn Off Automatically

The headphones turn off after approximately 5 minutes without use to save battery.

1. Turn the headphones on again.
2. Reconnect them to Bluetooth if needed.
3. Start playback or continue using them.

8. No Sound in AUX / Wired Mode

1. Connect the supplied 3.5mm AUX cable securely to the headphones.
2. Connect the other end to the correct audio output on your phone, computer or other device.
3. Start playback on the source device.
4. Increase source-device volume.
5. Test with another compatible audio source if available.

9. Music Controls Are Not Working

Use the controls as described in the manual:

• Play / Pause: press the Power Button once.
• Next Track: tap the “+” control area.
• Previous Track: tap the “−” control area.
• Volume Up: press and hold the “+” control area.
• Volume Down: press and hold the “−” control area.

10. Calls Are Not Working

1. Confirm the headphones are connected to the phone through Bluetooth.
2. Check that call audio is routed through Muffs M3.
3. Press the Power Button once to answer a call.
4. Press the Power Button twice to redial the last number.
5. Press and hold the Power Button to reject an incoming call.

Call controls may vary depending on the connected phone.

11. Battery Life Seems Short

Up to 40 hours of playtime. Actual battery life varies with volume, ANC usage, Bluetooth conditions and other factors.

1. Fully charge the headphones.
2. Test playback at a moderate volume.
3. Turn ANC off when you do not need it.
4. Note the runtime if the battery seems to drain unusually quickly.

Still stuck?

If the issue persists after performing all troubleshooting steps, please raise a support request.

Our support team will assist you further.

Support

• Visit: www.portronics.com
• Support Portal: support.portronics.com