Apparently you can’t put the doughnut into your mouth, but if you want to improve your working environment, the doughnut shaped USB humidifier will help you.
This is an interesting and practical USB humidifier that measures that 50 x 50 x 20mm and weights 36g. As we can see from the images, the USB humidifier is shaped as a miniature doughnut, and features ultra portable design so the humidifier doesn’t have a fixed water tank. You need a cup of water, and putting the USB humidifier on the water, when connecting with your computer, the humidifier generates moisture in order to improve dry indoor environment. Apart from that, the USB humidifier also features sleep timer that allows you to set 3 hours or 6 hours to turn off the device.
The doughnut shaped USB humidifier is available in three colors, each one is priced at $16 USD. If you’re interested, jump to Brando online store for more details.