These earphones have powerful bass that perfectly complements today's popular music genres. One button for music and phone call control. Built-in Mic frees your hand from driving or other things. A tightly sealed acoustic design allows for a high level of sound isolation which aids in the reproduction of powerful and extended bass response. Noise isolation ear tips will form a seal around your ear and you will be able to isolate and block external noise better, hear the music louder and clearer, and the bass will be more prominent Durable.