Sony stereo headphones MDRZX110APBC with microphone / /

---------------------------------------------------------------------- Model: Sealed dynamic type Model: Electret condenser type Driver unit: 30mm dome type (CCAW) Sensitivity: 98dB/mW Playback frequency band: 12-22,000Hz Impedance: 24Ω (1KHz) Cord length: approx. 1.2 m Cord type: Y type Input plug: Gold-plated L-type 4-pole mini plug Mass: 120g No noise canceling function, remote control included Input sensitivity: -58dB ± 3dB