COSORI Coffee Mug Warmer & Mug Set for Desk, Cup Heater, Office & Christmas Gifts, 1°F Precise Temperature Control, Touch Tech & LCD Digital Display (77-194℉), 304 Stainless Steel

PERFECT MATCH: The stainless steel retains heat more effectively than other mugs, making it the perfect pairing to the coffee warmer
CUSTOM TEMPERATURES: All temperature readings are accurate within 1 degree. You can also easily switch between Fahrenheit and Celsius
BUILT TO LAST: Enjoy the stainless steel coffee warmer’s reliable performance with one-touch controls, waterproof design, and a PI film heating element. Compatible with AC 100–240V, 50–60Hz outlets