1.Bluetooth specification:V5.2 2.Bluetooth Profile:A2DP,AVRCP,HFP, HSP 3.Working voltage:3.1V~4.2V 4.Charging voltage:5V-1A 5.Speaker specification：8mm*2 6.Frequency response:20Hz~20kHz 7.lmpedance:32Ω 8.Battery capacity of the headset: 60MAH 9.Battery capacity of the storage box:2000MAH 10.Transmission distance:>10M 11.Call time:About 10 h 15.Play time:About 8 h 16.Waterprof :IPX7 17.Charging time of headset:1.5h

18.Charging time of the Charging box:2h