【4200mAh Rechargeable Battery】: Enjoy a long-lasting fragrance experience with up to 6 hours of operation on a full charge. It takes only 4 hours to fully charge, ensuring you have a continuous aromatic experience during long trips or daily use. 【Cordless Portable Design】: The cordless design allows you to move freely in your car, office, or home, eliminating the hassle of traditional diffuser power cords. 【USB C Charging Port】: Strong compatibility with various charging devices and chargers. 【Adjustable 7 LED Color Changing Lights】: Built-in seven gentle color-changing lights. Choose your favorite color or let the lights cycle through for added visual enjoyment and ambiance, making your experience more comfortable and pleasant. 【Customer Satisfaction Guarantee】: We are committed to providing excellent customer service to ensure every customer's satisfaction. If you have any issues or concerns, our customer support team is always here to hel