Style : In-ear Vocalism Principle : Dynamic Control Button : Yes Communication : Wired Line Length : 1.1m Impedance Range : from 33 to 100 Ω Connectors : 3.5mm Earcups Type : Semi-open Headphone Pads Material : Other Driver Diameter : 14mm Frequency Response Range : 20 - 20000Hz With Microphone : Yes Features : With Microphone Charging Method : Cable