Earphones
a 3.1g(a pair of6.2
Headphone Battery Type
40MAH
Charging case batterytype
400MAH
Charging time
2 hours (from empty to full)
Frequency response range
20Hz-20kHz
Microphone sensitivity
-38dBV/Pa@1kHz
Bluetooth version(headset)
5.4
Bluetooth profile version
A2DPV1.3.2, AVRCP V1.6.2,HFP V1.7.2
Bluetooth transmitter frequenc
2.4GHZ