The Koss KE10V Jams Flexible Earphones in violet feature super soft, sculpted earbuds that provide a flexible fit for extended comfort. They deliver clear audio performance with a frequency response of 40-20k Hz, 32 Ohms impedance, and 100 dB SPL sound pressure level. Equipped with a 4ft cord and a 3.5mm input jack, these earphones are compatible with most smartphones and portable devices, making them suitable for daily use or workouts.