Phiaton Chord MS 530 headphones are all music and no wires, delivering a studio-grade, immersive experience with a dual-chamber structure and multi-tune acoustic design that offers high-end performance and sound quality for users on the go. Chord MS 530 offers Bluetooth® 4.0 wireless capability, active noise cancelling technology, a built-in rechargeable battery and an additional wired option. Featuring genuine perforated leather and machined aluminum, Chord MS 530 is as sleek as it is comfortable to wear.