2. It can be used to heat milk, tea, coffee, etc. (Note: the bottom of the heating cup needs to be flat) 3. Lightweight and portable, easy to carry, and does not take up space. 4. It can be used repeatedly and is durable. 1. Made of high-quality plastic materials, safe, non-toxic, tasteless and healthy. 5. Exquisite button, stepless temperature adjustment, 3 temperature adjustment files. Meet different drinking water needs. Intelligent temperature, caring for 24 hours Suitable for schools, dormitories and offices, easy-to-use coasters. 8 hours automatic shutdown, don't be afraid to forget to turn off the Product size: about 162x133x32mm Rated voltage: 110v-220v Warm-up time: 8 hours automatic shutdown Rated : 20w Heating temperature: 55Celsius, 65Celsius, 75Celsius Rated frequency: 50hz cord length: about 150cm Colour:White Material:PC+Aluminum Alloy Package Contents: 1 x Coaster warmer 1 x data cable 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.