[USB POWER SUPPLY] The compact mini coaster can be powered by a charging bank, computer, or household usb interface, making it convenient to carry around.
[DUAL USE] This quick cooling and heating base is ideal for any season. enjoy a refreshing cold drink in the summer or a warm beverage in the winter.
[ONE KEY FUNCTION] Say goodbye to complexity with a simple one-key function for easy control and switching functionality.
[EFFICIENT COOLING] The highly efficient cooling system allows for all-day use without pressure, while the large exhaust holes dissipate heat quickly for long-lasting performance.
[11 TO 68 TEMPERATURE RANGE] This coaster can cool down to 11 or heat up to 68 , making it a versatile gift for family, friends, and children.