Adjustable Temperature Settings: Enjoy the convenience of YISH coffee mug warmer with 3 temperature options, ranging from 113°F to 140°F (45°C to 60°C). Designed to keep your hot beverages warm, it's not intended for heating cold drinks.

Accommodates Various Cup Sizes: The coffee cup warmer features a generously sized 4.7-inch heating area, compatible with a wide range of mug styles, including glass, ceramic, stainless steel, glass feeding bottles, boxed beverages, glass teapots, candles, and wax. The mug with a flat bottom is more effective, and the cup with a concave bottom can't achieve the satisfactory effect.

Intelligent Auto Shut-Off: With a built-in 4-hour auto-off function, our mug warmer prioritizes safety by automatically turning off after 4 hours. Please remember that The heating area is still hot when the mug warmer is turned off, please do not touch it.

Convenient Memory Function: YISH cup warmer enhances usability with a memory function that recalls your previous temperature selection. This means your preferred settings are preserved for your next use, adding practicality to your experience.

Durable and Easy to Clean: Crafted with high-quality thermally conductive glass, our compact coffee mug warmer is designed to withstand occasional water spills without compromising safety. Additionally, the glass surface is easy to clean, ensuring hassle-free maintenance.