Connectivity
Bluetooth specification: V5.3
Bluetooth Profile: A2DP, AVRCP, HFP, HSP
Transmission Distance: 10-20M
Speaker specification: 2 x 8mm
Battery
Capacity: 50mAh
Storage Box: 2000mAh
Performance
Call Playtime: About 4-6 hours
Duration
Charging Time of the Headphone:1.5 hours
Charging time of the Charging box: 2 hours
Working Voltage: 3.1V~4.2V
Charging Voltage: 5V-1A