Highlights HIGH-PERFORMANCE H13 HEPA FILTER: MOOKA air purifier for allergies with H13 True HEPA filters can effectively removes dust, smoke, pollen, dander. This room air purifier uses advanced air spiral technology and 360-degree air inlet and outlet, TRAVEL-FRIENDLY: This portable car air purifier comes with a USB-C charging cable, which can be powered by a power bank, car charger and computer. Whether you are at home, at work, or in the car, you can enjoy fresh air at any time. The voltage of the small air purifier is 110-240V, so you can use it in any country 15-dB LOW-NOISE OPERATION: This small air purifier operates at only 15 dB in sleep mode.