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IPX6 Profesyonel Ultrasonik Elektrikli Diş Temizleyici Evde Tartar Kaldırma Ağız Bakımı Diş Ölçeği Diş Hekimliği Aleti
IPX6 Profesyonel Ultrasonik Elektrikli Diş Temizleyici Evde Tartar Kaldırma Ağız Bakımı Diş Ölçeği Diş Hekimliği Aleti
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Q: Hi, 22 KhZ is not ultrasonic!!!

Soran BG521722533 Açık 2024-01-30 00:42:01

ququci A vibration of 22KHz is ultrasound frequency! ( kHz = vibration per second) But this toothbrush vibrates at a frequency of 22000 per minute = 22000:60 sec = 367 per sec. So the frequency is 367 Hz or ... Daha Fazla Göster

2024-01-30 01:01:43 Yararlı (4)
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