Main FeatureFrequency20Hz-20KHzSound level/Sensitivity92dBPower Output10mWConnection TypeWirelessBattery3.7V / 110mAh
Lifetime: about 12 hours
Charging input: Micro USB, DC5V, 500mADurationWorking time: about 8 hours
Standby time: about 120 hours
Charging time: about 2 hoursOthersColor: blackPhysical SpecificationConnectorBluetooth 5Drivers10mm