2.4G wireless USB gaming headset

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1. Working voltage: 5V 2. Working current: 50mA 3. Frequency range: 2.400-2.483GHz 4. Frequency response: 20～20KHz 5. Channel spacing: 2MHz 6. Transmitting power: 7 dBm 7. Sending and receiving distance: ≥10M, 360° 8. Receiving sensitivity: -80dBm 9. Plug type: USB/RCA/Ф3.5mm 10. RCA-3.5 cable length: 2m 11. USB-USB mini cable length: 1.2m Headphone part: 1. Working voltage: 3.6V 2. Working current: 50 mA 3. Lithium battery capacity: 450 mAh 4. Continuous working time: 8h 5. Charging time: ≈3h 6. Frequency range: 2.400-2.483GHz 7. Channel spacing: 2MHz 8. Transmitting power: 3dBm 9. Sampling frequency: 32KHz, 16bit 10. Modulation method: GFSK 11. Receiving sensitivity: -80dBm 12. Signal to noise ratio: ≥50dB 13. Horn diameter: Ф40mm 14. Speaker impedance: 32Ω 15. Frequency response: 20～20KHz 16. Microphone specifications: 6*5mm 17. Microphone sensitivity: -58dB 18. Microphone directivity: omnidirectional 19. Microphone frequency response: 100Hz-8KHz 20. Earphone connection plug: Ф3.5/2.5mm 21. Length of earphone handle cable: 1m Show more