In-Ear Hands free stereo headphones with a high-performance microphone to enjoy your music in quality without disturbing your neighbor. They are suitable for those who play sports and do not leave the music. The set has a stylish built-in microphone with a button to answer calls +/- for volume. It is compatible with all types of smartphones and electronic devices with AUX output, they have clips for the lapel - 3.5mm plug.