1---Mini humidifier: Small design, convenient to take with you anywhere. Ideal for car, travel, bedroom, office, effectively moisturize dry skin and help you reduce skin peeling, nose bleeding.This mini humidifier is small in size, light in weight, easy to carry, ultra-quiet, and powered by USB cable. It is suitable for travel, bedroom, office, Car humidifying your living space to prevent drying air.When using, please use tap water to soak the swab for a few minutes, all wet before use,use clean tap water. 2---Two Spray Modes and automatic shutdown: Continuous spray & intermittent spray. Click the spray button for the first time to activate continuous spray mode. Click the spray button a second time, switch to the intermittent spray mode, click the spray button for the third time, turn off the spray. In continuous mode, it will automatically turn off after 4 hours. In intermittent mode, it will automatically turn off after 6 hours.When there is no water, the current will be reducedautomatically and enter the dormant state. 3---USB only: No batteries are included. USB is compatible with any device USB port, safe and easy to use. When the water is used up, the small humidifier will automatically go into hibernation to protect the device and continue to use it after re-filling the water and starting it up. Therefore, you don't have to worry about the humidifier being damaged when there is no water. 4---Vivid and colorful circulating lights and luminous: This cool mist humidifier has a vivid and colorful setting of circulating lights to create a tranquil atmosphere while providing soothing fog. It provides you with maximum relaxation. Night lights can improve your sleep quality.The portable humidifier is very easy to operate. One button controls for all functions, you simply need to press one button to set the mist and night light. Press once turn on/off Mist, Long press 3s turn on/off led light. Make your life easier! 5---LED light: long press to turn on the gradient light, second long press to fix the colour, third press to turn off the light. Water storage capacity400ml Rated voltage: DV 5V Rated power2W Spray mist volume35ml/H Quantity: 1 piece Color: white, pink Material: ABS+PP+silicone/electronic Power supply: USB