Use this Coupon Code: G547HYGW0QMY
for discount at checkout.
Built-in Sensitive Temperature Sensor– This coffee Mug Built-in Sensitive Temperature Sensor, the water temperature can be sensed, and then showed by OLED display screen in the cup cover.
Refined Vacuum Technology– Double Layer Stainless Steel Vacuum Cup Body. Achieve Long -Term to keep Cold or Warm. (To keep the water above 42 degrees for over 6 hours. Keep the water below 10 degrees for more than 5 hours).