1. Bluetooth: 5.3
2. Battery capacity: 500mAh; charging time: 2.5 hours
3. Usage time: 55 hours of music, 45 hours of music (ANC)
4. Noise reduction depth: -30dB
5. Size: 176*80*196mm; weight: 225g
6. Waterproof rating: IPX4
7. It can be used for 2 hours after charging for 10 minutes (70% volume)
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.
1. Material: TPE+ABS+braid+metal
2. Cable length: 1.2m
3. Weight: 18g
4. Terminal: USB-C
1. Material: TPE +ABS + braid + aluminum alloy
2. Cable length: 120cm
3. Weight: 17g
4. Connector: 3.5mm
1. Bluetooth version: 5.4; chip: 7006F
2. Battery capacity: 500mAh; charging time: 2.5 hours
3. Usage time: 65 hours of music (40 hours ANC on), 45 hours of calls
4. Noise reduction depth: -30dB±3dB
5. Size: 195*172*81mm; weight: 274g
1. Bluetooth version: 5.3
2. Battery capacity: 500mAh; Charging time: 3 hours
3. Use time: 80 hours (65 hours in ANC mode)
4. Noise reduction depth: -30dB
5. Size: 180*80*190mm; Weight: 233g
6. Waterproof level: IPX4
7. 10 minutes of charging can be used for 2 hours (70% volume)
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