Main Feature
Frequency
20Hz-20KHz
Sound level/Sensitivity
92dB
Power Output
10mW
Connection Type
Wireless
Battery
3.7V / 110mAh
Lifetime: about 12 hours
Charging input: Micro USB, DC5V, 500mA
Duration
Working time: about 8 hours
Standby time: about 120 hours
Charging time: about 2 hours
Others
Color: black
Physical Specification
Connector
Bluetooth 5
Drivers
10mm