Bluetooth Speaker Headphone 2 in 1

Specification:

▪ Bluetooth Speaker Headphone 2 in 1
▪ Color: Black,White
▪ Rated input: 5V
▪ Bluetooth version: V5.1
▪ Transmission distance: 10 m
▪ Single headset: 30mAh
▪ Charging box: 800mAh
▪ Headphone talk time: 3.5H
▪ Speaker music playing time: 4H
▪ Charging bin charging time: 2H