Vio Personal Air Purifier with Hepa Filter

We love this air purifier because it promotes a comfortable breathing environment. It removes airborne particles such as pollen, dust, and smoke. INCLUDES Vio Personal Air Purifier Device HEPA Filter USB Power Cord User Guide. DIMENSIONS 4.78" x 4.78" x 7.25" HOW TO USE Plug in the USB cord into the device and then into a Power Adaptor/Wall or USB Port. Turn on the device by pressing the power button. Place the device in the treatment space. To Turn off the device press and hold the power button until the device turns off. MATERIALS ABS Plastic, PET Skeleton Compound, TPE, Glue, HEPA filter TECH COMPATIBILITY Micro type, 5V 1A, L=1m CARE INSTRUCTIONS To clean the device wipe with a damp cloth. Do not put any fluids in the device. Replace the filter once it turns dark grey. Generally the HEPA filter should be changed every 2-3 months depending on use.