Philips ActionFit SHQ4017/28 Sports Neckband Headset, Colors May Vary (Discontinued by Manufacturer) Designed with a water resistant seal to protect your headphones from sweat related damage Constructed with water proof materials allowing you to wash your headphones under running tap water Acoustics finely tuned to enhance the sporting experience - fuel for your workout Clip helps fix cable securely Three sizes of soft ear sleeves enable you to customize the fit to your ears.