Cooling Heating Dual Use Smart Cup Mat for Home, 11 to 68 USB Coaster with Efficient Cooling and Heating for Family, Girlfriend ABS Material

[USB Power Supply] Convenient USB power supply, compatible with charging banks, computers, and household USB interfaces. Compact and portable design for on-the-go use.
[Dual Use Functionality] Quickly cool or heat beverages with one device. Enjoy refreshing cold drinks in the summer and cozy warm beverages in the winter.
[Easy One Key Operation] Simple and user-friendly one-key operation for hassle-free use. Easily switch between cooling and heating modes with just one press.
[Highly Efficient Cooling] Efficient cooling function with large exhaust holes for quick heat dissipation, allowing for extended use without pressure.
[Wide Temperature Range] Versatile coaster that can cool down to 11 or heat up to 68, ideal for various beverages. Perfect family, friends, and children.