When you're experiencing a bad day or when the night is cold grab this USB Heating Cup Pad to keep your night warm and make your day better as usual!
- Connect the USB cable to the computer or 5V charger switch interface, and coasters begin to generate heat.
- The need for thermal insulation on the silica glass coasters can play the role of insulation
- Please do not use the insulation cup for outside functions.
- Please unplug the USB cable when not use to extend the life of the product.
- Used to keep your tea or coffee warm, but not for heating.
- Material: Silicon + Electronic Component