Portable USB Mug Warmer — Heated Coaster for Desk, Office, Dorm Why you need it Keeps your coffee or tea hot all morning so you can enjoy a warm drink without reheating. Prevents wasted hot beverages and reduces interruptions from repeated trips to the microwave. Small, lightweight design makes it easy to carry between home, office, and dorm. Key benefits and features USB powered: plugs into any USB port or adapter for convenient lowpower heating. Heating coaster: compact footprint and lightweight construction for easy placement on a desk or bedside table. Stable performance and reliability: designed for consistent warming with simple, dependable operation. Simple to use: plug in, place your cup on the coaster, and it maintains heat—no complex controls. Energy efficient: low power consumption suitable for office or dorm use. Portable: easy to transport and use wherever you work or study. Compatibility and practical details Designed as a coffee cup warmer / mug warmer for standard coffee and tea cups. Small, portable size makes it suitable for limited workspaces and use. Durable build for daily use at a desk, in an office, or in a dormitory setting. Typical use scenarios Office desk: keep your morning coffee warm through meetings and focused work sessions without repeated reheating. Dormitory or study area: maintain a warm beverage while studying late or relaxing between classes. Remote work and shared spaces: plug into a laptop or USB adapter to use at home, in a coworking space, or at a bedside table. How to use Connect the warmer to a USB power source, place your cup on the heating coaster, and enjoy a consistently warm beverage with straightforward, reliable operation.