Enjoy rich, quality sound with these Sony Outdoor Headphones, MDR-ZX310 (Red). These headphones feature a lightweight and closed-type supra-aural design for portability and comfort. The band of the headphones is collapsible, and the earcups can swivel, so you can shape your headphones to fit in your bag or backpack. Other features include a 30mm driver unit, PET multi-layer dome diaphragms and neodymium magnets. These features help the headphones deliver a powerful and quality sound, including clear mid- and deep-bass tones. The Sony Headphones feature metallic accents for a stylish touch. The lightweight and portable headphones are suitable for people who are always on the go. You can take your listening experience to the next level with the Sony Stereo Headphones.