Home USB Constant Temperature Cup Mat Heat Thermos Coaster, Style:With Adapter 1. Two temperature adjustment, heat evenly heated, constant temperature of 45 degrees Celsius, do not pick cups, metal panel, multi-color optional 2. Heat it as soon as possible and warm the stomach 3. ABS shell, good waterproof and heat resistance 4. Do not pick cups, compatible with most materials, flat thin bottom appliances, heating faster heating evenly 5. One-click operation, both thermal insulation and heating, simple and fast 6. Mechanical push button, one-button operation, simple to use 7. Metal heating plate, even heating, lasting constant temperature, high temperature and scratch resistance, good heat insulation effect 8. Heat dissipation base, effective heat dissipation, to protect the motor 9. Rated power: 13w 10. Rated voltage: 110 220v 11. Power supply mode: USB direct plug 12. Panel diameter: 9cm 13. Note: The product only includes coasters, not including other cup items 14. Dimensions: 130 x 108 x 20mm 15. Weight: 190g