Bluetooth version: 5.3
Supported protocols: A2DP/AVRCP/HFP/HSP
Codec: SBC/AAC/LDAC/LC3
Charging port: USB-C
Working distance: 10m (unobstructed open environment)
Support system: Bluetooth devices and mobile phones
Earphone charging time: about 1 hour
Charging time of charging case: about 1.5 hours
Earphone battery capacity: 3.7V/37mAh
Battery capacity of charging case: 3.7V/380mAh
Battery life of earphone: about 6 hours (AAC
Battery life of charging case: about 18 hours (AAC)