Wearable Mini Air Purifier Necklace Portable Negative Ion Generator Remove PM2.5 Formaldehyde

nullSpecification:Type:Air Purifier NecklaceMaterial:ABSColor: WhiteVoltage:DC 5VPower:1WCurrent:12mA Noise:≤25dbCharging time: about 1 hourWorking time: about 48 hoursCharging Method: USB chargingApplication area: below 10㎡Air Volume:50m³/hourSize:approx.39x39x16.5mm/1.54x1.54x0.65''(1cm=10mm=0.39inch)Features:Mini portable air purifier.The necklace is designed to be portable and suitable for personal use.Both automotive air purification and domestic air purification can be used.Eliminate less than PM2.5 size of Micro Dust and Formaldehyde.Remove number of Bacteria, Germs. It can prevents cold and allergies.Simple operation easy to press ON/OFF button.Small Size : Portable, Wearable design; you can use it anytime and anyplace such as public transportation(bus, taxi), car, cafe, company, while walking, strolling with pets, etc.Only needs charging by USB cable, then you can use it for about 48 hours.Notice:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight deviation for the measurement data.3.Please allow 1-3cm error.Package included:1 x Air Purifier Necklace1 x USB Charging Cable1 x Necklace