Earbud-style headphones. Includes four pairs of interchangeable silicone ear tips in small, medium, large, and extra-large (medium size preinstalled). Microphone and remote are located approximately 5” from the left earpiece. Microphone is omnidirectional, receives frequencies from 15Hz to 16KHz, and is equipped with a one-button remote for controlling music and incoming calls. Microphone is compatible with unprotected 3.5mm standard jack (including iPhone, Blackberry, and HTC). Handmade 15.4mm drivers. Frequency response: 20Hz–20kHz. Impedance: 32 Ohms. Sensitivity: 115dB. Max input power: 5mW. 47” tangle-resistant fabric cord. 1-year premium replacement warranty.