Features:1. Three-speed mode can be easily adjusted with one button, suitable for different environments.2. Four-layer filter (primary filter, EPA filter, activated carbon filter, HEPA filter), effectively filtering harmful substances such as PM2.5.3. Release negative ions to effectively remove toxic gases such as benzene, formaldehyde, acetone and xylene.4. Mute noise reduction, the noise is as low as 36d - B in sleep mode.5. USB power interface, portable and available everywhere.6. An anti-skid pad is added to the bottom to prevent slipping.7. There are multiple air inlets on the fuselage, and the large air outlet on the top increases the purification speed. - Specification:Material: ABSPower supply voltage: 220VRated voltage: 12VInput voltage: DC-5VPower: 3WSuggested use area: 10m2 or less - Noise: <36d - BAnion concentration: 8 million - Gear position: third gear - Mode: first gear sleep mode, second gear comfort mode, third gear spray mode - Power cord length: 76cm±2cm - You Will Receive:1 x Air purifier1 x User’s manual1 x USB