500ml Vacuum Thermos LED Temperature Display Water Bottle

Features:
Food grade safety material.
No need charge.
With LED display to prompt real-time water temperature by touching.
12 hours of hot or cold water.
Long-lasting insulation: The vacuum of the cup will hinder heat transfer.
500ml large capacity.
You don't have to use your mouth to test the temperature and avoids burns. 360 degree rotation does not need to worry about water leakage, and the sealing is perfect.