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