"Specification
Material: Plastic + Silicone + Fabric Mesh
Bluetooth Version/chipset :5.3 BP1048B2
Transmission Distance:=10m
Working Voltage:7.4v
Impendance:4O
Speaker Power:20W*2
earbud /charging case Battery (mAh):7.4v/3600mAh
Charging Time:4H
Calling:12H
Music Play:6H 70% volume
Standby:12 month"
01080096BK