The JVC HA-NCX78 earphone uses several noise-reduction technologies to not only reduce ambient noise but also cord friction noise, wind noise and electrical noise, while maintaining excellent user comfort and outstanding sound quality. Superior noise canceling technology built into JVC HA-NCX78 earphone reduces ambient noise by up to 88 percent. This makes it a fine choice for enjoying music and also for minimizing distraction by environmental noise in order to relax or concentrate more effectively.
