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¡¡¡¡Bluetooth version: Bluetooth 5.2
Solution: Bluetrum 8922E ANC
Speaker: Ø 10 mm
Frequency response: 20Hz ~ 20kHz
Bluetooth effective range: 10 meters
Music time: About 8 hours
Talk time: About 7hours
Charging time: about 1.5 hours
Battery capacity:500mAh
Standy time:80 hours
Material:PC+ABS
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