1Powerful Diffusion: Enjoy the advantages of aromatherapy with this powerful machine that can fill your car or room with soothing fragrance. 2Adjustable Spray Volume: Choose between a 30?50ml/h spray volume to customize the intensity of the fragrance, creating a personalized aromatherapy experience. 3Large Water Tank Capacity: With a 300ml water tank, this aromatherapy machine can provide continuous mist and fragrance for extended periods before needing a refill. 4Auto Power Off Function: The aromatherapy diffuser automatically shuts off after 4 hours of continuous use or 8 hours of intermittent use, ensuring safety and energy efficiency. 5Long Lasting Battery: The built in 900mAh lithium battery provides hours of continuous use, allowing you to enjoy the advantages of aromatherapy on the go.