KOSS Porta Pro Utility Wired on-ear headphones

The KOSS Porta Pro Utility Wired on-ear headphones are designed for reliable, high-quality audio in demanding work and utility environments. - Classic adjustable headband with durable, utility-focused design - Dynamic drivers deliver clear, balanced sound suitable for communications and multimedia - Reinforced cables and rugged construction ensure longevity under tough conditions - Comfortable cushioned ear pads for extended wear during work hours Compatibility: Compatible with all devices featuring a standard 3.5mm headphone jack, including smartphones, tablets, laptops, and professional communication equipment. In the box: KOSS Porta Pro Utility wired on-ear headphones and user manual. Technical specifications: - Driver type: Dynamic - Frequency response: 15 Hz to 25 kHz - Impedance: 60 ohms - Sensitivity: 101 dB SPL/mW - Cable length: 1.2 meters - Connector: 3.5mm stereo plug