For 5V USB power supply 1. Wipe off the water on the mug. 2. Connect the product to the USB port of the computer or charger. 3. Put the mug on the beverage warmer. 4. The light is on when the product is working normally, and keeps the temperature at 40-60℃ Cautions: 1. During long periods of non-use, pull out the plug or turn off the power switch. 2. The warming effect is different on different materials, it works best with cooper is the best, next with glass, and followed by plastic. And the effect will be improved with a cover on. 3. The center of the warmer is hot when it is working, please don’t touch it. 4. The warmer is to keep the temperature at 40-60℃ only, cannot boil water. 5. Do not wash the product in water. 6.Make sure the output is not less than 2A when using charger as the power supply for the product. 7. Connect to the rear USB port when using desktop computer as the power supply for the product to ensure the warming effect. Do not connect to the front USB port. Do not connect with USB extension cable 8. Non-professionals are forbidden to take the bottom cover apart.
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