Check to see if the device has been properly connected (i.e., the Type-C connector is properly inserted).

Check if there is any loose wiring.

Check if the device was not subjected to any mishandling, broken wires, or exposed to direct sunlight or hazards like fire.

Check if the controls do not work when connected to another device.

Check if the media player being used supports such controls (Note: In-built controls may vary for different phone models).

Check if the controls do not function on call or with other media players.

Check if the controls have been physically damaged or exposed to any hazards.

Check if the connected device does not have any equalizer settings applied.

Check if the distortion or quality lowers at all volumes or only at high volumes.

Check using different media players and different devices.

Check to see if the earbuds have ear wax accumulated; if so, clean it with cotton swab and alcohol and gently blow dry it from a distance.

Check if the connected device does not have any equalizer settings applied.

Check using different media players and different devices and whether the volume change happens on all devices or only on specific ones.

Next Track: Press the MFB 2 times to skip to the next track.

Previous Track: Press the MFB 3 times to return to the previous track.

Answer Calls: Short press the MFB 1 time to answer an incoming call.

End Calls: Press and hold the MFB for 1 second to end an ongoing call.

Reject Calls: Press and hold the MFB for 1 second in the call ring status to reject the call. Note: Some devices may not support accept/reject call function due to the mobile device’s compatibility issues.

No, these earphones are not waterproof, and it is not water resistant, so it is advisable that you do not submerge the product inside water to avoid any mishap.

The earphones are also not shockproof.