Discover the ultimate self-heating coffee mug, a must-have for coffee lovers and slow sippers! This 14oz smart mug offers a 5-hour heat retention, keeping your drinks warm for extended periods. With precise 3-level temperature control, you can easily choose from 113°F, 131°F, or 149°F using a one-button operation, no app required. The mug is crafted from 100% BPA-free, food-grade stainless steel, ensuring a scratch-resistant interior that preserves the original flavor of your beverage. It automatically enters sleep mode when empty or inactive for 3 hours, enhancing safety and energy efficiency. The smooth rim and ergonomic handle provide comfort and ease in every sip, making it a perfect gift for various occasions. The package comes with a spill-resistant lid and a charging base, offering a complete heated coffee experience. Whether you're in a long meeting or having a relaxing evening at home, this mug ensures you can enjoy your drink at the perfect temperature without constant recharging. Dimensions: 6.9 x 6.5 x 4.8 inches, Weight: 1.68 pounds. Note: Do not clean with hot water, dishwasher, or microwave. Keep the mug and charging base dry before use. Color: Black.