Quiet Operation, Enjoy An Undisturbed Atmosphere: This 300ml humidifier operates quietly, emitting sound levels lower than 36 decibels. Whether you're working or sleeping, it ensures a peaceful environment without disruption. The ultra-quiet operation allows you to concentrate, relax, or sleep without the interference of noise. Its whisper-quiet performance makes it an ideal companion for various settings without causing any disturbance. Auto Shut Off Function for Added Safety: With its built-in auto shut-off function, this essential oil diffuser guarantees safety. When the water level is low or the tank is removed, the auto shut-off feature kicks in, preventing the device from overheating or running dry. This safety mechanism not only protects the humidifier but also ensures peace of mind, making it a reliable choice for uninterrupted use. Colorful Ambient Lighting Creates a Relaxing Atmosphere and Comfortable Sleep: Enhancing the ambiance, the built-in LED ambient light creates a soothing atmosphere, fostering a warm and cozy sleep environment. The gentle glow of the LED light promotes relaxation, aiding in unwinding after a long day. The cool mist humidifier provides a subtle yet comforting presence, contributing to a calming and serene space for restful sleep. 2 Mist Spray Modes, Effectively Relieve Dryness: Enjoy customized humidification with two mist spray modes, continuous mist for up to 4 hours or intermittent mist for up to 6 hours. Say goodbye to dry skin by adjusting the mist mode based on your preferences or needs. The different modes cater to varying humidity requirements, ensuring a comfortable atmosphere and alleviating dryness effectively. Portable and Compact Design for Convenient Portability: This 300ml USB humidifier has a compact and portable design, making it convenient for travel or use in diverse environments such as cars, baby rooms, bedrooms, offices, and more. Small size and easy to carry, you can enjoy humidified air anytime and anywhere. Keep the air comfortably moist wherever you go. If any question, please feel free to contact us via email soon.