USB Cup Warmer

Made of high quality aluminum magnesium alloy and glass material, sturdy and durable to use. Adopts PTC thermostatic material for heating evenly and quickly, less power consumption. Light weight and compact size, easy to carry and storage Suitable for most stainless steel cup, feeding bottle, ceramic cup, glass, etc. Keep your coffee, tea or other hot drink warm to 55 degree C. Ideal for home and office use, keeping your drinks warm all the time.