With in-line mic & remote. Lightweight. Noise isolating. Contoured comfort fit. Includes 3 cushion sizes. Angled element. Contour Design: Delivers a natural and comfortable fit. 13 mm Enhanced Driver: For superior sound quality. Angled Element: For the perfect fit. Product features and specifications are subject to change without notice. Product may vary from images shown. Product features and specifications are subject to change without notice. Product may vary from images shown. The original since 1958. - John C. Koss, Founder. Hearing is believing. The Sound of Koss: 3.5 mm; 4 ft (1.2 m); 16-20k Hz; 32 Ohms; 106 dB SPL. Limited lifetime warranty (If purchased outside the US, contact the local Koss Authorized Dealer for details). CE listed. www.koss.com. Made in China. Printed in China.