SOOTOP Wearable Air Purifie_ Hanging Neck Air Purifier Personal Air Purifier Necklace Hanging Neck Air Purifier Portable Household Purifiers for Home Indoor

Features: Effective Purification Negative ions are released through the electronic brush to bring you fresh air and reduce PM2.5, second-hand smoke, dust and other pollution. Portable This mini air purifier is very simple. It can be hung around the neck, or in a pocket or bag in travel, it can be used in public places or other places. Noise The working volume of the air purifier is about 20dB and is completely silent, so you can use it in sleep, on the road or on the way. Easy to use This product is easy to use, just press one button, it can turn on or turn off. Just press one button and you can enjoy the fresh air. USB rechargeable With the USB rechargeable, it is very convenient when you want to use, the charging time is only 30 minutes, and the life time is 15-20 hours. Specifications: Item Type: air purifier Material: ABS+PC Color: white/black Quantity: 1pc Working voltage: DC3.7-DC5V/1.5A Power: <1W Current: 15-20mA max Noise: about 20 DB Battery capacity: 380mA Charging interface: micro USB charging Charging time: 30 minutes Negative ion concentration: 20 million/cubic centimeter Life time: 15 hours -20 hours Battery: built-in battery Item Size: 20.5*14.5*4.5cm/8.06*5.7*1.77inch(L*W*H) Net Weight: 120g/4.23oz Package： 1* air purifier   Package Including 1* air purifier