Built-in microphone for a clear phone communication. In-ear design blocks out external noise. Premium earbuds for the good sound quality with rich tones. Protection from sweat and water. Extended audio range draws out precision highs and vocal naturals. In-Ear headphones can be measured not only by their sound but also by their sleek design. Delivers good sound In a small package. Compatible model with Apple devices android Smartphone windows phone mp3/ mp4 players and portable music players.