OEM USB Portable Electric Ceramic Constant Temperature Vacuum Flask Mug
Premium ceramic inner lining ensures even heat distribution and safe, non-toxic temperature retention. High-efficiency vacuum insulation maintains 55°C for extended periods, ideal for office, travel, or home use. USB-powered heating coaster offers seamless compatibility with laptops, power banks, or car chargers. Smart thermostat technology prevents overheating while conserving energy. Sleek, spill-resistant design with a durable stainless steel exterior. Lightweight yet robust, perfect for professionals, students, or daily commuters. Custom OEM options available for bulk orders. Wholesale pricing ensures unbeatable value for global distributors. Stock up now on this must-have modern convenience essential.