【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 degree for over 6 hours. Keep the water below 10 degrees for more than 5 hours). 【Streamlined Body Design】– Not Only Looks Very Elegant, But Also Very Convenient and Comfortable to Hold. 【Precision Strainer】-- Choose Food Grade Dacron Filter, Fine Filter Coffee Powder. Easy to Clean, not Easy to Retain Coffee Stain.
