Bluetooth version: Bluetooth 5.1

Solution: Jerry 7006D4
Speaker: Ø 10 mm
Impedance: 16± 10%ω (at 1kHz 1mW)
Sensitivity: 91dB±3dB
Frequency response: 20Hz ~ 20kHz
Bluetooth effective range: 10 meters
Best distance: 8 meters
Music time: About 36 hours
Talk time: About 36 hours
Charging time: about 2 hours
Battery capacity:250mAh