Battery: built-in 400mAh accumulator
Connection: Bluetooth 5.0 with EDR
Range: up to 10 meters
Microphones: yes
MicroSD memory card: Yes
Frequency: 50 Hz to 20 kHz
Impedance: 16 Ω
Standby time: up to 14 hours
Charging time: about 1-2 hours
Working time: up to 6 hours