Coffee Mug Warmer Rechargeable 3 Gear Adjustment Heating Coaster Cup Mat With Indicator For Winter Office Home Warm Coffee Milk|Mats & Pads Features: *1. The coffee mug warmer is made of premium ABS material, which is safe and durable for long-term use. *2. It is lightweight, small in size and easy to carry, suitable for most stainless steel cups, nursing bottles, ceramic cups, glasses, etc. *3. Keep your coffee, tea, milk or other hot drinks as high as 75 degrees without worrying about high temperature, achieving even heating. *4. Great for use at home and office, offering your warm drinks on cold days. *5. One heating coaster ONLY. Description: *1. Material:ABS *2. USB Charging *3. Adjustable temperature: 55℃, 65℃, 75℃ Package includes: 1 * Cup Warmer no cup