Headphone Impedance 32 | Microphone pick up Pattern Omnidirectional | Headphone Drives 13 mm | Microphone Signal to Noise Ratio 64 dB | Headphone Frequency Response 20 Hz ? 20 kHz | Battery Life up to 24 Hours (6 + 18) with Lighting On, Up to 28 Hours (7 + 21) with Lighting Off
