This smart coffee warmer is designed to keep your beverages at the perfect drinking temperature throughout your busy day. Maintaining a constant 131°F, it ensures your coffee, tea, or other hot drinks stay warm and ready to enjoy whenever you need that next sip. The USB-powered design offers exceptional versatility, allowing you to connect it to your computer, power bank, or USB adapter for convenient use at your desk, in the office, or while traveling. The construction provides peace of mind against accidental spills and splashes, making it safe for everyday use in any environment. With ultra-low power consumption, this energy-efficient warmer delivers consistent warmth without driving up your electricity costs. Weighing approximately 5 ounces and featuring a compact, lightweight design, it's incredibly portable and easy to pack in your bag or store in a drawer. Made from durable PP material, this mug warmer combines functionality with practicality, making it an essential accessory for anyone who enjoys hot beverages throughout the day, whether at home, in the office, or on the go.