Description 3.5MM JACK CONNECTION plug and play, just plug the jack into devices such as smartphones, laptops, etc. VOLUME CONTROL has several buttons to help control the volume, such as the ( ) button = increase the volume, the (-) button = decrease the volume, the microphone activation button & microphone deactivation button, the button to answer the phone or reject the phone. NOISE CANCELLING MIC helps reduce noise transferred by the mic to the earphone speaker so that it does not interfere with the sound coming out of the earphone speaker. IN-EAR has a function to hear more clearly, so that users can hear well without losing the moment to align the sound. especially if used for playing games, it will be very suitable to use this type of earphone
