Product details:

• 🌼 FUNCTION: This coffee cup warmer can only help to maintain the temperature of the beverage, without heating; This means that if you put cold water in the cup, it can't heat it into hot water, but if it's a cup of hot water, it can keep the constant temperature the whole day, you can drink your delicious hot coffee at any time.
• 🌼 SMART GRAVITY SENSING AUTO ON AND OFF: The Coffee cup Warmer for the Desk built-in gravity induction switch, No need to turn it on/off manually, Put the mug on the heat zone, and the coffee cup warmer plate will work, remove the coffee mug warmer plate will auto turn off.
• 🌼 SUITABLE FOR MOST CUPS: The USB coffee cup warmer is made of waterproof tempered glass, and the warmer area is 3.5 in diameter; The coffee mug warmer can fit most cups, such as glass cups, stainless steel cups, Ceramic cups, etc. for better results, we recommend using a flat bottom glass cup or stainless steel cup.
• 🌼 BEST GIFT CHOICE: This coffee cup warmer is a great choice for keeping your body warm all day, and a great helper to create a better life. it will be your best gift choice on Christmas and Valentine's Day, Mother's/Father's Day, Thanksgiving, or other special occasions
• 🌼 WHAT YOU WILL GET: This coffee mug warmer set includes a coffee cup warmer, Ceramic Mug, cup lid, spoon, USB cable, and beautiful hand-wrapped gift box, Buy our mug warmer, you can enjoy warm drinks anytime and anywhere.
• Rated power:16W
• Rated Voltage:220-50Hz 
• Heating Temperature:55C
• Cup capacity: About 450ml
• Cup Size:120*80mm
• Base Size:180*130*25mm