BT5.3
Bluetooth distance：10m
Frequency Response：20HZ-20KHz
Microphone sensitivity：-85dB
Earphone：3.7V/2*35mAh
Charging case：3.7V/400mAh
Charging bin to the earphone charging times： 2.5 times
Earphone charging time：1 hour
Charging time of charging bin：1.5 hour
Playtime：8 hours
Weight of single earphone：3.7g
Weight of  charging bin：44g
Color：Green/Purple/Blue/White