Wireless earbuds
Bluetooth version: V5.0
Speaker Frequency: 20Hz-20KGHz
Speaker Sensitivity: 102dB±2dB
Battery in earbuds: 50mAh
Battery in charging case: 400mAh
Wireless distance:10m
Fully charge time:1-2hours
Working time:3-4 hours
Atomatically turn on/ turn off
color box packing
