Noise Reduction Headphone, Double Use, 30Hz to 20kHz Frequency Response
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- T/T, L/C
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- Actively reduce unwanted ambient noise
- External noise reduction ratio reach up to 85%
- Airplane plug adapters is offered for air fly
- Noise cancellation function can be shutoff
- Audio cable is detachable for easy storage
- Frequency response: 30Hz to 20kHz
- Active noise reduction: >15dB at 300Hz
- Sensitivity:
- 108dB/1mW (power-on)
- 110dB/1mW (power-off)
- Speaker unit: 40mm Mylar
- Power supply: 3V DC, 2 x AAA batteries
- Audio cable type: 3.5mm plug
- 108dB/1mW (power-on)
- 110dB/1mW (power-off)
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