A:AnswerWhen using the HA-A7T, tap either right or left once to get your song to play, tap either side quickly twice to adjust the volume. Left ear bud if press and held for 1 second will back track a song and right side if pressed and held for 1 second will forward track.
Answering the call
Press the button once quickly when receiving a call.
Ending the call
Press the button once quickly during the call.
Rejecting a call
When there is an incoming call, press continuously for about 1 second until a beep is heard. Once the beep is heard, release your finger.
Switching between the earphones and the smartphone during a call
During a call, press continuously for about 1 second until a beep is heard. Once the beep is heard, release your finger.
A:AnswerYou can use the left earbud independently as it controls both earbuds. If you try to use the right earbud, especially if you put the left earbud back in the case, you will disconnect both. I haven't found a way around it yet since I prefer wearing the right earbud.
A:AnswerThe headphones are Bluetooth headphones and can steam any type of audio files your phone or Bluetooth device you are trying to listen to music to. Files can be AAC, WMA, MP3 files any audio files.