IC model JL6973d4
Bluetooth version V5.2
Support Agreement SPP/A2DP/AVRCP/GAVDP/HID/AVDTP/AVCTP/IOP/HFP/RFCOMM
Bluetooth usage frequency 2.402G-2.408G
Battery type Polymer battery
Signal-to-noise ratio 90DB
Sensitivity 90.5DB
Transmission distance More than 10m
Control mode Touch
Audio range 20HZ-20KHZ
Vocal tract True Stereo (TWS)
Distortion degree Less than 1%
Headset battery capacity and model 40MAh/401009
Battery capacity and model of charging case 300MAh/602030
Play time 6 hours
Headphone charging time 1 hour