Bluetooth version: 5.2
Audio profiles: HSP, HFP, A2DP, AVRCP
Bluetooth chip: QCC3040
Signal range: up to 10 m
Battery capacity: (charging case) 400mAh, (earphones) 70mAh
Working time: up to 15 h + 20 h (charging case)
Charging time: about 2 hours (charging case)
Standby time: 150 h