Bluetooth version:Bluetooth V5.0 .
Battery specification: Headset 3.7V/45mAh; Charging box 7V/280mAh
Support mode: HFP/HSP/ A2DP/AVRCP
Sensitivity: 105dB+ 3dB S P L at 1KHz
Transmission distance: 10 meters(in an ideal environment without any major obstacles)
Play time: About 2.5 hours Call time: About 3 hours
Standby time: About 80 hours
Charging time: Charge the charging compartment for about 1.5 hours and charge the headset for about 1 hour
Charging box to charge the headset: About 2.5 times
Package list: 2 x Bluetooth earphone, 1 x Endurance charging box, 1 x charging cable, 1 x User's manual, 1 x Earplug silicone cap