Elevate your coffee experience with our advanced self-heating mug, designed to keep your beverages at the perfect temperature effortlessly. Key features include: 【Long-Lasting Warmth】Enjoy up to 5 hours of continuous heat on a single charge when used with the lid, ensuring your drinks stay warm throughout long workdays or meetings without frequent recharging. On the charging base, it maintains optimal temperature all day for ultimate convenience. 【Easy Temperature Customization】With simple one-button operation and no app required, select from three precise temperature settings: 113°F for mild warmth, 131°F for a cozy sip, or 149°F for hot enjoyment. A clear LED indicator makes it easy to monitor and adjust to your preference, perfect for morning coffee or evening tea. 【Safe and Durable Construction】Crafted from high-quality BPA-free food-grade stainless steel with a scratch-resistant interior that preserves beverage flavors without any metallic aftertaste. The mug automatically enters sleep mode when empty or inactive for 3 hours, enhancing safety and energy efficiency. 【Thoughtful Gift Option】Ideal for coffee enthusiasts and busy professionals seeking comfort in every sip. Its smooth rim and ergonomic handle provide a comfortable grip, making it a great choice for birthdays, holidays like Christmas or Mother's Day, Father's Day celebrations. 【Essential Safety Guidelines】To ensure longevity and safe use: avoid cleaning with hot water; do not place in dishwasher or microwave; always dry the mug bottom and charging base completely before use to prevent damage or safety concerns. 【Complete Package Included】Each set comes with everything needed: a 14oz smart coffee mug featuring advanced heating technology; a spill-resistant lid to prevent accidents; and a reliable charging base—all designed to deliver a premium heated beverage experience right out of the box.