Product Features :
Compatible with the 3.5MM audio port devices, this amazing earphones allow you to play music or make phone calls conveniently when it's connected to mobile phone.
Volume Control: Press "+" to increase volume, press"-" to decrease.
Call Control: Press the button once to answer or hang up the phone calls. While playing music, press the button once for music pause, twice for the next song, three times for the previous song.