Change the way you listen to music with the Sony BR75 in-ear headphones. Featuring a frequency response ranging between 3-28000 Hz, these Sony XBA headphones let you listen to an array of sounds, right from the lowest of lows to the highest of highs. Moreover, these Sony XBA headphones’ Bluetooth function lets you wirelessly listen to music from mp3 players. With a noise isolating feature, these Sony BR75 in-ear headphones cut out all external distractions and provide for a phenomenal sound experience. And with 108 dB sensitivity, these Sony XBA headphones draw less power and yet deliver powerful performances.