Earbuds:
Bluetooth protocol: V 5.3 dual mode
Chip: JL 697N
Bluetooth distance: over 10 meters
Earphone battery: lithium-ion polymer battery 50mAh
Charging time: 1.5 hours
Music time: 6-8 hours
Speaker: 6 mm
Charging compartment:
Battery: Lithium ion Polymer battery 650mAh
Charging time: 1.5-2 hours