DualFunction Temperature Control Switch instantly between rapid cooling for iced drinks and steady heating for coffee or tea. Advanced semiconductor technology delivers quick results while maintaining your beverage at the temperature. Universal USB Power and Portable Design Compatible with any 5V/2A USB power source including laptops, cars, and power banks. Compact dimensions (5.5 x 3.5 inches) make it easy to fit into standard cup holders, place on your desk, or pack in a bag. Ideal for office commutes, road trips, or use in your home kitchen. Safe and SpillResistant Construction Built from durable ABS engineering plastic, this device is waterresistant for everyday use. Automatic shutoff protection adds an extra layer of safety. Designed to work with ceramic mugs, glass tumblers, soda cans, and stainless steel bottles, provided they have a flat base. EnergyEfficient Performance A 10W lowpower chip cools faster than conventional ice pads and warms more evenly than typical beverage heaters. Maintains flavor by avoiding freezing or overheating. Note: not intended for boiling liquids. Practical Applications Keep coffee warm on your desk throughout a busy workday without reheating. Chill canned drinks quickly during a road trip without needing ice. Maintain the tea temperature at home or in the office for extended enjoyment.