The Yamaha HPHPRO400 combines stylish design with fantastic performance to produce the ideal headphones for any listener. 50mm Neodymium drivers provide you with crisp, clear audio whether youre listening from Smartphone, MP3, Tablet or even your computer while an over the ear design keeps unwanted noise out, providing brilliant isolation. The Pro 400 headphones sport a sturdy design with adjustable reinforced headband & compact foldable design, perfect for any household.