Waterless Essential Oil Diffuser: Unlike ordinary ultrasonic Mini scent oil diffuser on the market, our waterless car diffuser adopts the latest cold air diffusion technology, which can compress the cold air to convert essential oils into dry mist particles with high utilization rate, and evenly diffuse the scent in any environment within a few minutes. No need to heat or add water. 100ml Large Capacity: Say goodbye to frequent essential oil changes, compatible with 5/10/15/20ml essential oil bottles, you can easily feel the scent. Suitable for long car trips, office, bathroom, room, etc. High-Grade And Durable Aluminum Alloy Material: Unlike plastic shells that are prone to scratches, this Car Diffusers for Essential Oils has a stronger and more durable shell, and its simple and stylish appearance can be perfectly matched with any period of decorating style. Adjustable Scent Mode Timer: The Waterless Aroma Diffuser has 3 levels of adjustable scent mode (15/30/60 seconds). It is designed with 1H/2H/3H/ 3-speed timer. You can control the scent intensity and time to customize the best aromatherapy experience. Portable Reechargeable: Cordless essential oil diffuser Built-in super long-lasting 2000mAh lithium battery supports 36 hours of working time after a full charge. When traveling, you can easily take this waterless diffuser anywhere. Comes with a USB cable for convenient charging anywhere. It is your best traveling companion. Quantity sent: 1