Product type: Bluetooth headphones
Brand: Calus
Model: Air P4
Bluetooth version: V5.1
Battery Life: Up to 5 hours of battery life
Laboratory test result
Talking range: 10m
Battery capacity: 30mAh (earpiece), 250mAh (case)
Battery life: Up to 72 hours standby / 4-5 hours playtime / 4-5 hours talk time / 1 hour charging time / case provides up to 6 full charges