Philips Magnavox MHS1100 Earhook Headphones Bass beat vents for improved bass. Good For Mp3, iPhone, Cd, DVD, Laptop Flexible rubber earhooks for a secure and comfortable fit Perfect for exercising or music on the go Bass beat vents allow for air movement to deliver deep and powerful bass, The rubber ear hooks are soft and flexible to comfortably fit in your ears while you exercise or listen to music on the go The Magnavox MHS1100/27 Earhook Headphones in black enable you to enjoy your music during exercise or when you're on the move, With these headphones you can enjoy a secure and comfortable listening experience