Your Workout Buddy These headphones can handle your workouts. Combining water-resistance and superior comfort, the WR100 model is perfect for working out indoors or outdoors without worrying about wet weather conditions or sweating. Features Angled plug fits directly into most MP3 players, including iPod® and iPhone™ models, as well as laptops and portable CD and DVD players Gold-plated mini plug offers exceptional corrosion resistance, superb conductivity, and low noise Driver diameter: 13.5mm Frequency range: 20-20,000 Hz Impedance: 16 ohms Max power input: 10mW Cord length: 1.2m (3.9ft)