Cute and stylish cartoon style coasters, warm the winter, learn to enjoy life and keep each milk warm.
Made of high quality hot silicone material, light in shape, thick material, keep cup warm for a long time.
High quality USB plug can be plugged into the computer, charger, and charging treasure.
Suitable for most water cups, milk cups, coffee cups and long-lasting warmth in cold winter.
just place the heat-needed tea cup or coffee cup on the base, then connect the line head to the USB port, it will start working at the desired temperature with the USB port.
✪Works with all USB equipped devices, such as computer, desktop, laptop, tablet, mobile phone etc, easy and convenient.