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

Headphone Parameters
1. 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 hours

Microphone Parameters
1. 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