1.[KEEP 2?? - 6??(37��H- 44��H) OR 40 - 60??(104��H-140��H)] After selecting the heating mode, the warmer plate will be at a constant temperature between 40?? - 60?? for 24 hours. Use for coffee, tea, milk, hot chocolate, hot cocoa, bottle or soup and more. After selecting the cooling mode, the cooling plate will be at a constant temperature of 2?? - 6?? for 24 hours. Use for cola, soda, milk tea, milk, orange Juice, beer, wine, etc. 2.[350ML ALUMINUM CUP + TRANSPARENT COVER] The beverage can be directly poured into the cup or the beverage container is put into the cup. The transparent cover (Limit height 6.3inch) can improve the effect of heating or cooling, and can also prevent dust. 3.[EASY TO USE] One-touch start-up touch switch,Quick Cooler Cooling Cup is easy to operate. You can pour out beverage or water directly into the cup,and then turn on the power switch,portable and practical. One button control to switch between different modes, very convenient to use. With this small , you can always enjoy hot tea/coffee/milk in your office, while enjoying the cold cans and chilled beer wherever you want. Keep whatever you're drinking the excellent temperature all day. 4.[INTELLIGENT, SAFE ] and auto shut-off design ensuring the ;Food Grade Aluminum Cup,light weight and can make the beer beverage juice exchanged for heat and cold quickly; Anti-slip mat on the bottom.The anti-slip performance is good and it is not easy to slip off.Non-slip silicone handle and silicone sealed up lid, water will not flow out even run into the cup accidentally