Sony black MDR-ZX310 Headphones Closed-back, foldable, (Model MDR-ZX310 B)

Model: Sealed Dynamic Driver unit: 30mm dome (CCAW) Sensitivity: 98dB/mW Frequency response range: 10-24,000Hz Impedance: 24Ω (1KHz) Maximum input: 1000mW Cord length: Approximately 1.2m Code type: Y-type Input plug: Gold-plated L-shaped stereo mini plug No noise cancellation function