Technical Parameters:
1. Bluetooth Version: Bluetooth V5.4+EDR
2. Bluetooth Chip: Bluetrum
3. Wireless Frequency: 20Hz-20KHz
4. Transmission Distance: 10m
5. Battery Capacity: 800 mAh
6. Working Time: Bluetooth: 80h; Noise Reduction: 70h
7. Charging Time: 2.5 hours
8. Depth Of Noise Reduction: -38dB
Descriptions:
1. Soft & comfortable protein earmuff & sponge
2. 40mm speaker with premium Hifi sound quality
3. Foldable and retractable over-ear design
4. With Type C interface for fast charging
5. With 3.5mm AUX cable,can be used as wired headphone
6. Color logo package can be customized
