HUMIDIFIER, COMPACT SIZE AND SPACE SAVING: Without taking up too much space, you can easily put this diffuser on your desk or counter, or take it with you when you travel. USB Humidifier: You can enjoy a restful sleep and keep this diffuser on at night without worrying about overheating. As soon as the water is used up, the diffuser switches off automatically. Support shutdown protectionautomatic dry burn protection. Desktop humidifier: 220ml large capacity, 40ml/h spray volume, can be used continuously for about 3.5 hours. Mini Humidifier: This humidifier emits a comfortable room temperature mist that provides ideal coverage for small to medium sized spaces. Made of high quality ABS material, durable and wear-resistant. Auto Humidifier: It adopts quiet humidification, long-lasting humidification, and effectively improves indoor air quality. A function: 1. 220ml large capacity design, 40ml/h spray volume, can be used continuously for about 3.5 hours. 2. Support auto power off protection and dry burn protection. 3. Mini humidifier made of high quality ABS, durable and wear-resistant. 4. Use silent humidification, long-lasting humidification, effectively improve indoor air quality. 5. Small size, easy to carry, suitable for bedroom, living room, office and car. Specification: Condition: 100% New Item Type: Humidifier. Material: ABS white Voltage: 5V Current: 400mA Power: 1.5W Capacity: 220 ml Spray volume: 40 ml/hour Use time: 3.5 hours Weight: approx. 210 g / 7.4 ounces Size: approx. 10.3 x 8 x 8 cm / 4.1 x 3.1 x 3.1 inch Packing list: 1 x Humidifier 1 x USB Cable 1 x Humidifying Stick Comment: 1. Due to manual measurement, please allow 0-1 inch error. Thank you for your understanding. 2. The monitor is not calibrated the same. The item color displayed in the photo may differ slightly from the actual item.Real. Please refer to the actual product.