Phiaton presents the Chord MS 530 large wireless on-ear headphones with superior sound quality featuring Bluetooth 4.0, active noise cancelling technology and up to 30 hours of battery life. In all genres of music, whether it is pop, rock, jazz, or classical, the perfect combination of chords bring melody to a song. The Chord MS 530 also has the perfect combination of cutting edge technology, unique design, and exceptional sound quality to bring harmony to your ears. Phiaton's 40mm Titanium Driver Technology provides amazing sound reproduction in the Chord MS 530 headphones. By adding a coat of titanium to the driver unit, the sound quality is enhanced, with deep rich bass and added sonic presence.