Product Name: Projection Humidifier USB Wireless Air Desktop Humidifier Features: Cute Landscape Projection: A humidifier that also serves as a USB wireless air desktop humidifier with a charming landscape projection. Multi-Functional: Humidification, projection, and night light in one device. 360° Clear Projection: Enjoy a three-color light show that enhances the ambiance. Wireless Humidification: Provides convenience and flexibility in placement. Warm Night Light: Offers a soothing glow for a comfortable night's sleep. Innovative Design: Triple Purpose Lamp: One lamp for three uses, combining a romantic blend of light and fog. Changeable Projector Lamp: Allows for quick and easy changes to suit your mood or room decor. Reading and Lighting: Ideal for providing focused lighting and decoration, enhancing your space in no time. Technical Specifications: Large Capacity Tank: A 500ml visual crystal clear water tank for all-day humidification without frequent refills. Built-In Battery: Equipped with a 2000mAh high-capacity battery for on-the-go moisturizing. Timing Function: Capable of running for over 8 hours continuously. Safety Features: Includes water shortage and power failure protection. Power Supply Options: USB or dry battery, offering flexibility in power sources. Compact Design: A columnar shape that fits easily on a desk or bedside table. Quiet Operation: With a noise level below 36dB, it won't disturb your peace. Efficiency: Rated voltage of 5V and a rated power of 2W for energy-efficient performance.