Car Charge Car Air Purifier Mini Aroma Diffuser Mini Multi-Car Charger Freshener Adapter with USB Ports Portable 2 in 1 Relaxing experiences from this car air purifier using your favourite fragrances! Refresh and moisturize the quality of the air you breathe on the road The car diffuser can hold up to 50ml of water and produce up to 20-45ml of moisture per hour. It has a 1-hour automatic power off technology that can prevent potential security issue during running without water in case damage the diffuser or your car battery. Comfortable essential oil smell can help you lift your mood, relieve tension and anxiety, and boost the metabolism. The car humidifier is durable and easy to operate. Fill your car diffuser up with water, then plug into your DC jack swivel your unit the direction you want to spray, push power button and Mist Came Out! 100% satisfaction or your money-back! If you are not satisfied with the car humidifier within 30 days since you received the car diffuser, just simply return it