Instant warmth on demand: Our heated coffee mug warmer delivers rapid heating, so every sip stays as warm as the first. It works with coffee, tea, hot chocolate, or any beverage, keeping your drink heated from start to finish. Four temperature settings: Four selectable temperatures from 104 F (40 C) to 140 F (60 C). Whether you prefer a mild warmth or a steaming cup, you have precise control to make it just right. Auto shut-off for safety: Smart timer lets you set a shutdown from 1 to 12 hours. Keeps your beverage warm while conserving energy, ideal for long work sessions or reading marathons. Ample heating panel for versatile cup sizes: Spacious heating surface fits most cups, including glass, stainless steel, and ceramic. For best results, use a flat or thin-bottomed mug. Use scenarios: - At the office or desk, keep coffee or tea warm during long work sessions. - During study or reading time at home, enjoy hot beverages without rewarming. - During gatherings or family time, keep hot chocolate or tea warm for guests.