The balance between deep bass and clear treble delivers a rich audio experience for all music genres, these sound isolating earphones can block out 90 percent ambient noise. You can easily enjoy your music anytime anywhere with these noise isolating earbuds, even at noisy streets. They help stop disturbance from the outside when you are doing yoga, reading, thinking and relaxing. Just stay in your private world. Secure fit with 45 degree ear-piece makes sure the headset stays put when you are out running, jogging or exercising. Makes you feel comfortable all day during using and even without feeling it. These in-ear Bluetooth headset works for iPhone, iPods, MP3 players, universal android smartphones, tablets and other devices equipped Bluetooth. It has built-in microphone and remote: answer, end call, reject call and switch songs.