1、Easy to refill water, simply pour water into the water tank. To clean a humidifier, remove the lid and wipe the empty tank with a wet cloth. 2、This USB humidifier is also a night lamp to comfort you during the dark, creat a romantic ambient. 3、This ultra‑quiet humidifier lowers the noise level to 30 dB for quiet humidification. So it won't disturbing your bedtime, working or study. 4、USB powered, compatible with any device with USB port like laptop, desktop, power bank, socket, power outlet. 5、This humidifier will automatically shut down when the water runs out, no need to worry about damaging the device itself or causing danger to the user, making you and your family very safe. 1 x Air Humidifier1 x USB Cable1 x Cotton Swab Condition: 100% Brand NewItem Type: Air HumidifierMaterial: ABSColor: As shown in the pictureSize: Approx. 12.5x 7.8cm/ 4.9x 3.1inWeight: Approx.168g/ 5.9ozRated Voltage: 5VWorking Current: 600mARated Power: 3WInput Interface: USBSpraying Time: 6 hoursWater Capacity: 340MLLighting Time: Always onHow to Use: Long press for three seconds, the LED enters the colorful cycle state; short press for one second to enter the spray mode; long press for three seconds to fix the current color; long press for three seconds to shut down.