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Product name:
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Acefast ANC Wireless Headphones H4
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BT version:
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v5.3.
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Transmission distance:
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10m.
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Driver:
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40mm, Hi-Fi level.
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Frequency response:
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20Hz-20kHz.
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Impedance:
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32Ω±15%.
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Battery capacity:
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500mAh / 1.85Wh.
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Input:
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DC5V⎓0.5A (USB-C).
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Charging time:
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2.5 hours.
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Working time:
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55 hours (ANC off), 45 hours (ANC on).
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Size:
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176*80*196mm.
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Weight:
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225g.
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Feature 1:
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30dB ANC noise cancelling.
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Feature 2:
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Over-the-ear earpads with protein leather and memory foam.
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Feature 3:
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55 hours of continuous music playback (ANC off).
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Feature 4:
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Foldable earcups.
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Feature 5:
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Adjustable headband.
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Feature 6:
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IPX4 water resistance.
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