Audio-Technica's award-winning GM ear-bud/clip-on hybrid headphones blend innovative design and outstanding acoustic performance. These incredibly lightweight hybrids offer a three-position adjustable design for a custom fit. 15.5 mm drivers with rare earth neodymium magnets deliver deep bass, extended treble. Includes a protective wallet pouch. Lightweight ear-bud/clip-on hybrid headphones 3-position adjustable design for a custom fit 15.5 mm drivers deliver deep bass, extended treble Neodymium magnet for maximum quality, minimum size Gold-plated mini-plug for exceptional corrosion resistance, superb conductivity, low noise Includes 0.6 m cable with 1.0 m extension cord and a protective portable wallet pouch Specifications Type: Dynamic Driver Diameter: 15.5 mm Magnet: Neodymium Frequency Response: 10 24, 000 Hz Maximum Input Power: 50 mW Sensitivity: 100 dB/mW at 1 KHz Impedance: 16 ohms Weight: 11 g Cable: 0.6 m (U type) Connector: 3.5 mm mini stereo, gold-plated Accessories Included: 1.0 m extension cord, ear-pad, protective pouch