görüntüleme
10:00:00
Silent (but powerful) mosquito repellent sound | ultrasonic deterrent | ultrasound
12:00:00
Long-range Mosquito repellent sound - 12 HOURS : Concentrated Ultrasound | Ultrasonic deterrent
4:00:00
Mosquito Repellent Sound : Wave Frequency 15kHz - Soft Version | ultrasonic deterrent | ultrasound
10:00:00
10 HOURS Mosquito repellent sound Ultrasonic Effect (14-15)Khz | Concentration | Meditation | Sleep
8:00:00
Mosquito repellent sound with sleep cycle therapy
1:59:56
Mosquito Repellent Sound Frequency - anti mosquito sound
23:35
Mosquito Repellent Sound | Anti Mosquito Ultrasonic Sound effect
10:00:00
Rain + 20kHz Ultrasound = Mosquitoless Deep Sleep [ ultrasonic mosquito repellent sound ]
