Sleek behind-the-head style with optional comfort rings. Product Features 30mm neodymium drivers are lightweight and highly responsive, delivering richer, more powerful sound Durable, water-resistant polycarbonate design withstands wear and tear, rain and sweat Sleek, behind-the-head style with optional comfort rings keep them extra secure during active use Description Logitech® PlayGear Mod„ headphones are easy on the ears, and tough where it counts. Designed for the Sony PSP„, the headphones use optimized 30mm neodymium drivers for premium audio with your music, games, and movies.. And their behind-the-head design and detachable comfort rings keep them in place securely.