Type: Earbud Driver Unit: 10mm Frequency Response: 20Hz–20KHz Sensitivity: 100 dB Cord Length: 3.9 ft. (1.2 m) Weight: 0.1 oz. (3 g) without cord Features: Compact and comfortable designed for extended listening on the go 4 interchangeable ear tips for a customized fit High-quality OFC Litz wire Compatible with most MP3/portable audio devices, including the latest generation iPhone and iPod