Razer Nari Essential 2.4GHz Wireless THX Spatial Audio Head-mounted Gaming Headphone (Black)

Headphone Parameters1. Frequency response range: 20 Hz-20 kHz 2. Impedance: 32 ohm (at 1 kHz) 3. Sensitivity (@1 kHz): 107 +- 3 dB 4. Input power: 30 mW 5. Drive unit: 40 mm, using neodymium magnets 6. Inner diameter of earmuffs: width 56 mm / length 67 mm 7. Oval earmuffs: full-face design with cool gel, it can be worn for a long time to maintain comfort 8. Connection type: wireless USB 9. Wireless range: 12m/40 feet 10. Wireless frequency: 2.4 GHz 11. Battery life: 16 hoursMicrophone Parameters1. Frequency response range: 100 a?? 6.5 kHz 2. Signal-to-noise ratio: greater than 50 dB 3. Sensitivity (@1 kHz): -42 +- 3 dB 4. Pickup mode: one-way