• High-fidelity stereo sound • Active noise-canceling technology • Precision bass • Hands-free music and calls • Noise-isolating fit • Comfortable in-ear design • Noise-isolating microphone • Superior battery life • Frequency response: 12 Hz to 24 kHz • Impedance: 16 ohms • 10 mm neodymium drivers • Includes small/medium/large eargels airline plug adapter micro USB charging cable travel case and user manual • Limited 1-year warranty;