General description Compact and portable, the CSPARKV Mini Humidifier is designed for convenience and versatility. With a diameter of 8 cm and a height of 10.3 cm, it is perfect for use in various settings such as your bedroom, office, or car. This humidifier operates using only water for diffusion, making it easy to maintain and use. Technical specifications Capacity: 220 ml Dimensions: Diameter 8 cm, Height 10.3 cm Power source: USB powered (USB cable included, adapter not included) Usage Two mist modes: Continuous spray mode and intermittent spray mode (sprays for 4 seconds, stops for 6 seconds). Continuous operation for up to 3.5 hours before automatic shut-off. Soft night light feature that can be turned off by long pressing the button. Other information Do not use essential oils or any other diffused materials. Do not use purified water; running water/tap water or mineral water is recommended.