304 stainless steel liner is used, and the outside of the liner is plated with copper, which doubles the heat preservation effect.
Adopt battey powered, built‑in 1100mAh high‑capacity battery, long battery life, long standby time of 1000 days.
The cup lid is designed of IPX7 waterproof level and can be rinsed or soaked for a short time.
It has a timing reminder function, and it glows every hour to remind you to drink water to keep you healthy.
The vacuum cup has a temperature display function, and touching the lid will display the water temperature.