Celebrat A31 Wireless Bluetooth Stereo Headphone

1. Bluetooth Chip: JL-AC7003F4
2. Bluetooth Version: V5.2
3. Impedance:32Ώ
4. Transmission Distance: ≥10m
5. Battery Capacity:250mAh
6. Charging Time: About 2H
7. Music Time: About 20H (70% volume)
8. Call Time: About 15H (70% volume)

9. Support all devices with Bluetooth function, and support active 3.5 input