1.Bluetooth Version: V5.0
2.Bluetooth Distance: 10m
3.Charging Time: about 1-2 hours 4.Standby Time: about 80 hours 5.Music Time: about 3 hours 6.Talking Time: about 4 hours 7.Earphone Battery: Polymer Lithium Battery 40mAh
8.Battery Box Battery: Polymer Lithium Battery 300mAh
9.Audio transmission format: HFP/A2DP/HSP/AVRCP
