NO NOISE Portable necklace design,sound quiet (below 25db). You can use it when you are sleeping. Bring you a nearly natural state environment even in some public places.
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CONVENIENT & EASY CARRY Portable air purifier is One Button Start, low loss design make it work all day.perfect for pet owners, baby, the elderly, or anyone wanting to improve the air quality in their home or hotel room.
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USB RECHARGEABLE Note: Please turn off when charging. USB interface charging,easy to use and carry. During charging,the power indicator flashing red,when charging is completed the power indicator turns green.Charging time: 2 hour, can be used for about 48 hours.
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