Black Normal Smart thermos without biling ability

  • WATERPROOF LED DISPLAY: Just touch the LED screen and the temperature of the liquid will show on the LED screen. 
  • DURABLE KEEP HEAT & COLD: (After 24 hours at 100 ° C water, the temperature is maintained at about 40 ° C)
  • SAFE & HEALTHY MATERIAL:  304 grade food grade stainless steel. It has been approved by the FDA for your drinking needs. Of course, 100% does not contain BPA. (Size: 6.5 cm * 6.5 cm * 23.3 cm)
  • ULTRA CAPACITY BATTERY: Lithium battery with large capacity, screen turn off automatically when not in use.