High quality, lightweight and balanced for comfortable fit. Include spare ear-gels for optimum fit. High quality metal body. Amazing sound quality with powerful bass delivered from quality neodymium drivers. Features in-line microphone and control for call answer/call end. TPE metal shell 3.5mm jack input Microphone sensitivity: 92db /-3db (@1khz: 1mw) Frequency response 20hz-20khz Cable length 1.2m