The Koss KE10 soft sculpted earbuds highlight your unique identity with a bold, striking statement that complements your personal style. Built for long-lasting comfort, the KE10 earbuds provide a pleasant fit for any size ear. With several colors to choose from, you're sure to find the perfect pair. Specifications: Frequency range: 40 - 20,000 Hz, impedance: 32 Ohms, Sensitivity: 100 dB SPL. Cable: Straight, Dual Entry, 4ft. Finish: Blue