В…2 Saat Klasik Elektrikli Sгјpгјrge В… Efsane Kayit В… -
The steady hum provides a sense of security and safety.
The "Classic Vacuum Cleaner" sound mimics the environment of the womb. Inside the mother, a baby is constantly surrounded by "whooshing" noises from blood flow and heartbeats, which can actually be louder than a vacuum. The steady hum provides a sense of security and safety
The sound should be no louder than a soft shower (around 50-60 dB). Most household vacuums range between 63 dB and 85 dB, so keep the playback volume moderate. so keep the playback volume moderate.