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From
Guangzhou,
Guangdong,
China
From
Guangzhou,
Guangdong,
China
Technology type: Ultrasonic
Voltage: 3.7V
Battery capacity: 500mah
Working voltage: 3.4v-4.2v
Rated power: 1.5W
Vibration frequency: about 26000 times / S
Ultrasonic frequency: 23k-25kh
