This USB cup warmer combines functionality with natural aesthetics, featuring a beautiful walnut wood grain finish that complements any . Designed to keep your coffee, tea, or other beverages warm up to 176°F, this heating mat ensures your drink maintains the perfect temperature while you work or relax. The compact design measures 4.05 inches in diameter with a 2.95-inch metal heating plate, making it compatible with most stainless steel, ceramic, and glass cups. Powered by any standard 5V USB port, simply connect it to your computer, laptop, or mobile power bank for convenient operation. The combination of walnut wood and metal materials ensures even heat distribution and durability. Lightweight at approximately 3.8 ounces, this portable warmer is perfect for home, office, or travel use. The smooth wooden surface and natural grain pattern add an elegant touch to your desk while keeping your beverages at an optimal drinking temperature throughout the day. Note that this warmer is designed to maintain warmth rather than heat cold beverages, and works best with flat-bottomed cups.