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- White noise means that the power of the frequency component in a sound is in the entire audible range (0~20KHZ) is uniform inside.
- Because the human ear is sensitive to high frequencies, this sound sounds very loud and rustling.
- White noise or white noise, a random signal with a constant power spectral density or random
process. In other words, the power of this signal is the same in each frequency band, due to white
Light is a mixture of monochromatic lights of various frequencies (colors), so this signal
The property of having a flat power spectrum is called "white" and this signal is therefore called White noise.
White noise for crowds/scenes
- Not just for sleep - for the crowd
- Newborn: Soothing, can treat suffocating children crying
- Working white-collar workers: Focus on improving work efficiency
- Exerciser: Yoga/fitness exerciser, relax and relax
- Insomnia: insomnia, deep sleep
- Applicable scene:
- Environmental noise polluting people, roadside buildings, residents next to construction sites, etc.
White noise, pink noise, brown noise, wall fan sound, fan sound, wind sound
Bonfire, fire, ocean, light rain, spring water, fetal heartbeat, clock ticking
Birds, crickets, frogs, aircraft cabins, trains, relaxation, ...
Special processing sound source, with hardware / speaker professional debugging curve
- Operating voltage: 3.7V (supports 18650 rechargeable lithium battery)(not included)
- Dynamic current: no light <200 mA light <450 mA
- Quiescent current: 20uA
- Product size: Ф150×32.5 mm (without speaker network)
- Speaker: 75 mm diameter 4 Ω 3 W
- Power: Input AC 100~240V<50/60Hz
- Output current 5V, 1A
Convenient function definition
- Play timing button: 30/60/90 minutes playback off
- Switch to avoid accidental touch: long press for 3 to 5 seconds
- Extended support for high fidelity 3.5mm headphone output
- Smart: support plug-in automatic boot (reduce user button frequency)
- 10 minutes without use Auto power off protection (battery status)
- Support power-off memory, no battery or power supply, can remember the last memory used;
- Anti-light color, color temperature, warm color 3700K, no blue light
- Reflective light source, non-direct light is healthier
- Single package size: 17cm*18cm*5cm Weight: 350G
- Accessories: 5V/1A charger + Mini5pin USB cable 1 meter long + manual
Real material - speaker network
- Professional speaker with diameter 75 ± 1MM
- High-strength metal speaker net
Bearing 10KG is not deformed
1 x White Noise Sound Machine
1 x USB cable