1, Bluetooth version: 5.0 + EDR
2. Supporting agreements: A2DP, AVRCP, HFP
3, working voltage: 3.1V-4.2V
4, charging voltage: 5v- 500mah
5, headphone battery capacity: 50mah
6, charging battery capacity: about 300mah
7, transmission distance: >10m
8, play time: more than 3 hours
9, headset charging time: 45 minutes -60 minutes
10, charging warehouse charging time: 1-2 hours