Introducing our Temperature Control Heated Travel Mug! With a 20oz capacity, it's the largest we've released. This mug uses advanced heating technology to keep your beverages at a constant temperature for 4 - 10 hours. Its innovative one - cover dual - use design is both practical and convenient, with a leak - proof lid featuring a silicone ring. Crafted from food - grade stainless steel, it's durable, easy to clean, and unbreakable. Measuring 3.6"W x 7.8"H, it's highly portable. Not only can it heat your drinks, but it can also charge your phone. It's perfect for outdoor activities like hiking, biking, and camping, as well as for use in cars or RVs. Whether you're at home, in the office, or on the go, this mug will be your ideal companion, providing you with warm drinks and technological convenience. Color: Black.