Main Features ● Made of ABS material exquisite small and not easy to rust ● One button switch for easy control 2 gear adjustable ● High efficiency HEPA filter it can effectively adsorb formaldehyde and remove peculiar smell The filter PM2 5 provides you with a healthy space● Micro USB power port for PC mobile power etc ● Prefect for office space living room bedroom etc ● Provides comfortable living learning office environment for you and your family SpecificationFilter Material HEPA Color WhiteFunction In addition to formaldehyde PM2 5 in addition to odorCharging Time about 100 minutesRated Voltage 5VRated Power 5WRated Frequency 50HzParticulate Matter CADR 458m³ hFormaldehyde CADR 230m³ hNoise 40 60dB A Usage Mode 2 Gear AdjustableCable Length 100cm 39 37inchBattery InformationBattery Type Li ion batteryBattery Capacity 1200mAhBattery Information1 Press the first switch to turn on the first speed of air purification and turn on a blue light 2 Press the second shift of the second speed to accelerate the purification of the air and light up two blue lights 3 Press the third time to turn off the air purifier 4 The product is equipped with a USB cable One end is connected to the charging port and the other end is connected to the power supply At this time the red light on the switch position is charging and when the light is off it is full power DimensionPackage Weight 1 23kg Product Size L x W x H 23 00 x 35 00 x17 00 cm 9 06 x 9 0