● 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
● Color: black
● Connector: Bluetooth 5
● Drivers: 10mm
● Warranty: 1 Months Warranty