1. Top-Fill Humidifier: This small humidifier allows easy water refilling by simply removing the top; It transforms water into fine, even cool mist, making it an ideal choice for bedrooms, cars, and on-the-go use;Notice 1. Do not use essential oils, perfumes, or other chemical liquids, as they can clog the cotton swab and hinder the proper operation of the humidifier; 2. Before turning on the device, ensure that the cotton core has been soaked for 5-10 minutes. Verify that the filter core is completely saturated before use 2.Ultra-Low Noise,No Disturbance When Sleeping : Operating at just 30 dB, this mini humidifier helps create a tranquil atmosphere, ensuring you can enjoy quiet environments for sleep or work 3.USB Powered and : This portable humidifier can be used wirelessly when fully charged or connected to a power source via USB port; It comes with a 360° rotating stand, making it compatible with various devices and usable independently; The battery has a range of 2 to 8 hours, making it suitable for use in various places for short periods of time;Wherever you are, it meets your spatial needs;The materials used are from Bisphenol A (BPA), and the insulated surface enhances 4.One-Touch Settings and Three Spray Modes: One-touch control makes operating this humidifier incredibly simple; Press the power button once per second to adjust the mist output mode;Choose between 2/8-hour timers. Additionally, a double press of the power button activates a warm Nigh light