Wearable Air Purifier Necklace - Portable Personal Ionizer - Rechargeable Travel-Size Air Cleaner - Removes Dust Allergen Odor Viruses Bacteria - Use in Office Airplane Train Bus - For Kids and Family

TWINKLE BIRDS Portable Wearable Air purifiers (JO-2001) clean air everywhere. It can be worn around your Neck, hanged on Baby Stroller, placed on Car Vent, perched on a Desk at Office or by your Bed at night.Do You Know?Negative ions are odorless, tasteless, and invisible molecules that exist in waterfalls, forests, seashores in high concentration. They have positive effects on human's physical & mental health.Functions & Features★ Constantly emits a large amount of negative ions to actively protect you against pollutants including PM2.5, smoke, pollen, dust & bacteria★ Increases the ambient negative ion concentration, freshening the air and bringing positive effect on physical health and well-beingDetails★ Safety Breakaway Lanyard★ Working Status Indication Light★ 1-hour Charging | 10-hour Purifying★ Ultra-quiet with Ultra-low ozone emission. Your intimate partner of clean air.★ Hassle-free maintenance. No filter replacement.Specifications★ Input voltage - 3.7V(Battery), 5V(USB Power)★ Power consumption ≤0.5W★ Negative ion concentration 5,000,000pcs/cm3★ Product dimensions - 79.5*50.5*21.2mm★ Net weight - about 30g★ Charging time - about 1 hour★ Battery life - about 10 hours★ Ambient temperature (operating) -10℃~40℃(14℉~104℉)★ Ambient temperature (storage) -20℃~60℃(-4℉~140℉)