The air purifier releases up to 5.6 million of negative ionizers, remove PM2.5 particle, deodorize odor, bacteria, dust, virus, formaldehyde, cigarettes smoke and gases (VOCs). Eliminate airborne element that increase allergy and asthma while restoring skin hydration and boost immune system. Dual 2.1 A USB ports are provided for powerful and rapid charging for any mobile phone, tablet, and other devices. Made from aluminum material, measuring 1.375*1.375*4.125 inches, this custom car air purifier charger. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: Compact size, lightweight, easy to carry.