AULA Prime Gaming Headset Design: over-ear, closed-back Frequency response: 20 - 20,000 Hz Impedance: 32 ohm Driver diameter: 40 mm Sensitivity: 113 dB +/- 3 dB Microphone sensitivity: -38 dB +/- 3 dB Adjustable headband Connectivity: 2x 3.5 mm, USB (for illumination) Cord length: 2.2 m Volume control