weergaven
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
10:00:00
10 HOURS Mosquito repellent sound Ultrasonic Effect (14-15)Khz | Concentration | Meditation | Sleep
10:00:07
Fireflies & Crickets - Calming Nature Night Sounds & Sights for Sleep & Relaxation - 10 Hours
1:00:00
Mosquito Sound 1 hour
4:00:00
Mosquito Repellent Sound : Wave Frequency 15kHz - Soft Version | ultrasonic deterrent | ultrasound
10:00:00
Rain + 20kHz Ultrasound = Mosquitoless Deep Sleep [ ultrasonic mosquito repellent sound ]
8:00:00
Mosquito repellent sound with sleep cycle therapy
