The JVC HA-S90BN combines outstanding sound quality with Active noise cancelling circuitry to provide a superior listening experience. With built-in Bluetooth wireless technology, NFC connectivity, 3 selectable sound modes, 27 hours of music in wireless mode, or up to 35 hours of in Noise cancelling (in non- Bluetooth mode). It has enough power to keep you entertained during your journey. Engineered with quality materials for durability and comfort for long listening time. The two-way foldable design ensures your JVC noise cancelling headphones are always with you wherever you go!