Listen to music & talk with friends. Extra earpads. Specifications: Driver Unit: 10 mm; Sensitivity: 100 db+/-3db; Plug Type: 3.5 mm; Impedance: 32 ohms; Frequency: 20Hz-20 KHz; Cord Length: 4 ft./1.2 m. Features: 1. Soft Silicone Earpads for ultra comfort fit. 2. Full-size 10 mm driver full-range audio reproduction. 3. Acoustic Chamber for a deep bass response. 4. In-line Microphone switch between tunes & talk. MP3/ipod/iphone/premium/rubber finish. Limited 90-day Warranty: Sentry warrants this product to be the date of original purchase. This warranty does not pertain to damage resulting from accident, abnormal use, misuse or neglect. Any defective product will be replaced if returned to an authorized Sentry dealer or to Sentry directly at: One Bridge St, PO Box 885, Hillburn, NY 10931. Please enclose a $5 check for return shipping.