USB Keep-Warm Mug Set

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Maintain your beverage at an optimal drinking temperature throughout the day with this efficient USB-powered keep-warm mug. Engineered for professionals and home users alike, this mug delivers consistent warmth without the need for a traditional heating base. Simply connect to any USB power source—whether at your desk, in your kitchen, or during travel—and enjoy your coffee, tea, or other hot beverages at precisely the temperature you prefer. The intelligent heating technology prevents cooling while preserving the original flavor profile of your drink. Perfect for extended work sessions, study marathons, or leisurely afternoons at home. Show more