The Koss KPH14 side-firing headphones are designed specifically for active lifestyles and working out. They feature a sweat resistant build, a fully adjustable comfort fit headband, and a lightweight non-isolating design. The straight, dual entry 4ft cord supports everyday use in active environments. Technical performance is specified at 100 – 15,000 Hz frequency response, 16 Ohms impedance, and 104 dB SPL.