Using the hot-wire thermal effect

• Coffee or tea while maintaining the desired temperature
• 12 °C or less : blue
• 38 ~ 42°C : green (herbal, green, etc.)
• 80 ~ 85°C : Red (coffee, etc.)
• One-button tab to switch temperature selection
• Universal 12V power supply used cars for convenience in

Cup with LED corporate ads on the surface

• LED lights use the Advertising Effectiveness
• Temperature selection by the color change, easy to understand the temperature

2 rechargeable batteries using a moving heat from the ongoing maintenance and advertising