-Bluetooth Chip: JL6955F
-Bluetooth Version: V5.3
-Drive Unit: 40mm
-Transmission Distance: ≥10m
-Stan by Time is about 80H
-Battery Capacity: 200mAh
-Charging Time is about 2-3H
-Music Time is about 6-8H
-Call Time is about 6-8H
-Frequency Response: 20HZ-20KHZ
-Sensitivity: 116±3db
