USB Heating Coaster – Portable Beverage Warmer for Home, Office, and Travel Keep your drinks warm with this lightweight and compact USB heating coaster, designed for convenience and versatility. Compatible with most stainless steel cups, feeding bottles, ceramic mugs, and glass cups, it is the solution for anyone who wants to enjoy warm drinks at any time. Key Features: Lightweight and compact design for easy portability Compatible with stainless steel cups, feeding bottles, ceramic mugs, and glass cups Powered by any USB port including computer, desktop, laptop, or mobile power bank Maintains a comfortable drinking temperature for coffee, tea, milk, water, and other beverages Smart warming plate for steady and efficient heating throughout the day Benefits: Never let your coffee or tea go cold while working at your desk Enjoy warm milk for your baby's feeding bottle wherever you are Keep your favorite beverage at the right temperature while studying, working, or relaxing Use Scenarios: 1. At the office, keep your coffee warm on your desk without frequent trips to the break room. 2. At home, enjoy a warm cup of tea while reading or working remotely. 3. While traveling, use with a power bank to keep drinks at the ideal temperature during hotel stays or commutes. Compact yet powerful, this USB heating coaster delivers reliable warming performance for a variety of drinkware, giving you consistent comfort with every sip.