Product information:
Product model: Y40
Effective distance: 10m
Frequency response range: 20-2OKHz
Composite endurance: 20 hours
Charging compartment capacity: 350mAh
Bluetooth version: V5.3
Horn specification: 13mm
Charging time: 70 minutes
Single endurance 4: hours
Headphone capacity: 30mAh
Size:
Packing list: 
