Philips SHS3701/27 Earclip Headphones with Interchangeable Color Caps (Discontinued by Manufacturer) Earclip headphones with 27mm speaker driver delivering big sound performance Contoured earhook and soft ear pads for ultimate lasting comfort Neodymium magnet enhances bass performance and sensitivity Bass beat vents allow air movement for better sound Includes three sets of interchangeable caps to mix and match any style