Ensure if device did not get connect to the previous input device. Forgot or remove it from there

  • power off and on the device and voice prompt alert and LED response can let him/her know if the device is connected to any other device or not

 

Volume level needs to check. Set the desired volume level from Mobile Phone and ear buds both

  • Adjust the volume from Mobile Phone and ear buds both

 

Check internet connection

  • Sometime, APP malfunctions. Ensure good internet connectivity

 

If using online APP, please check it's compatibility with Mobile Phone and allow permissions from APP Manager in Mobile Phone

  • App setting can show supported Android or iOS versions

 

Mobile phone can also have issues in this case. Check if the device is working well with other mobile phone

  • Apply the same connectivity process with different mobile phone as well

 

RESET the device

  • Make sure your earbuds are fully charged.
  • On your paired devices, delete/remove Noise Buds VS404 from the list of paired devices in the Bluetooth menu.
  • Open the charging case and keep the earbuds inside the case.
  • Long press the reset button on the charging case for 5 seconds.
  • The earbud LED will blink in red and white indicating that they have been reset.
  • Close the charging case and repeat the pairing process.