Wireless headphones Acefast H4 ANC black

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)

1. 30dB ANC active noise reduction technology, arbitrary switching of noise reduction/music mode
2. Protein skin + zero pressure-sensitive memory foam, skin-friendly, soft, light and breathable
3. 40mm professional HiFi-level dynamic speaker, accurately presenting the details of high-resolution music
4. With retractable headband, ear caps can be folded