Methos：There is one button on the top of the purifier for all functions. First push of the button is to turn on the unit with high speed setting for continuous use. Second push is to change the fan speed to low setting for sleep mode. The light on the top will dim. And you can soundly slumber without disturbing noise. Third push is to turn off the purifier.
1 x Air Purifier
1 x The Manual
1 x USB cable (plug adapter not included)
1 x Filter (In the air purifier )
USB Air Purifier Air Cleaner for Home Low Noise
$62.62+ Free Shipping
|Dimensions||230 × 150 × 150 cm|