Restoration Deerma Electric Hot Water Cup Deerma Portable Electric Katie Thermal cup 350ML

[@Najdmie]

Thanks you for recording this. I almost throw out mine after the touch sensor is glitching. Turn out there is a water droplet inside which interfere with the sensor. Without this video I have no idea how to clean it.

[@shaikabdulravoof]

What is the material used for heating