1. Filter Type: HEPA + Activated Carbon 2. Coverage Area: 5~50 m² 3. Noise Level: ≤30dB 4. Power: 5W 5. Rated Voltage: 5V1A Product Function: Air Purification/Negative Ion Purification Operation Switch: One-touch /Stop Product Dimensions: 122 x 190 x 122mm Advanced HEPA Filter - Captures 99.97% of dust, smoke, pet dander, pollen, and other airborne particles as small as 0.3 microns. Negative Ion Technology - Releases fresh negative ions to purify the air, boost oxygen levels, and improve overall well-being. Powerful Formaldehyde Removal - Effectively reduces harmful formaldehyde, odors, and VOCs from furniture, paint, and household chemicals. Compact & Portable Design - Perfect for small spaces like bedrooms, offices, cars, or dorm rooms. Takes up minimal desk space! Ultra-Quiet Operation - Sleep or work peacefully with whisper-quiet performance (≤30dB). Energy-Efficient USB Power - Low power consumption, plug into any USB port (computer, power bank, or adapter). Color: White Material: ABS Package Contents: 1 * Purifier 1 * Power cord 1 * Aromatherapy tablet 1 * Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.