Earbud-style headphones. Includes three tips (S, M, L) for a personalized fit. Frequency range: 20 – 20,000 Hz. Sensitivity: 107 dB. Impedance: 16 Ohms. Maximum input power: 5 mW. 47" cord with in-cord microphone and skip, pause and play buttons, as well as call answer function. 3.5 mm stereo plug suitable for MP3 players, iPhones, HTC, BlackBerry and more. One year premium replacement manufacturer’s warranty.