Bluetooth version:5.0+EDR
Working voltage:DC 3.7V-5V
Speaker:40mm
Battery:Rechargeable 200mAh battery
Frequency range:20HZ-20kHz
Working distance:10m
Charging time:2-3hours
Playing time:3-4hours
Standby time:30hours
Function:Bluetooth,TF card,FM radio,MP3
