Portable Mini Air Purifier Wearable Air Purifier Necklace Negative Ion Generator USB Charging Bedroom Travel Air Cleaner for Eliminates Airborne Second Hand Smoking etc Red

Air Purifier Working principle: Air purification system silently emits over 8 million negative ions per second,The negative ions it generates will be linked to any airborne pollutants and any other unhealthy particles due to its electrostatic charge,it will make the contaminated air particles too heavy to stay in the air,forming a microscopic health shield,fresh your personal space about 1 cubic meter anytime anywhere. Specification: Input voltage: 5V Input power: 0.1W Air purifier Size: 58 x 58 x 20 mm Net Item Weight:30g Battery Working time: 24 hours Power Supply:USB Package Weight:150g Package Size:10 x 10 x 6.5 cm Applicable area:below 10m² Noise: below 20dB Package including: 1 x Air Purifier 1 x Stainless steel necklace 1 x Charging Cable 1 x Instructions