This product has a design and a particularly practical wood aroma diffuser. Using advanced technology, perfume and essential oils diffuse into the air, covering the entire car, which is the perfect way to freshen the air. Very suitable for air purification. High-grade materials, not easy to damage. Features -Material: Black Walnut -The design is suitable for use in most places, allowing your home to spread an elegant fragrance. -Suitable for car, bedrooms, study rooms, offices, meditation rooms, yoga rooms, hotels, etc. -You can put essential oils in it and put it on the bedside table to ensure a good night’s sleep. -Drop of essential oils, after the penetration is complete, you can smell the fragrance. -This product is exquisitely crafted and durable, and is widely loved by most people. Package list: 4 x Aroma Diffusers