Specifications: Ultrasonic and silent design, can be used at home, office, car, etc., and it won't disturb you. Moisten the air in your room, keep your skin fresh and comfortable. Can be powered by USB connection. Very convenient to use. Compact size, easy to carry around. Item Name: USB Humidifier Material: ABS Voltage: 5V Power: 2W Effective Area: Less than 10 Square Meters Capacity: 100ml Power Supply: USB Noise: Less than 36dB Features: Portable, Durable, Easy to Use, Egg Design Size: 6cm x 6cm x 8cm/2.36" x 2.36" x 3.15" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB Humidifier 1 x USB Cable 1 x User Manual