USB Temperature Cup Cooler Device Refrigerator Cooler Warmer Auto Electric Cup Drink Feature: Both cold and warm can be shared, and both cold and heat can be adjusted. Function: normal temperature water is cooled to -2 degrees celsius or the temperature is increased to 55 degrees celsius. Unique and compact design, easy to carry on ,and can also be used as a juice cooking cup, a tea cup and a travel cup. After turned on,pour beverage or water directly into the cup in the cooler. Suitable for many places and drinks, suitable for families, houses, bars, cafes, hotels, restaurants, parties, buffets and so on. Provides longer cooling for drinks, ice cream, yogurt, juice, etc. And enjoy cool anytime, anywhere. Let you stop waiting this summer, feel cool anytime, anywhere, let cool anywhere on you Pefect Gift: This Car Coffee Warmer is a perfect companion for going on trips or out for work. It allows you have a cold drink or a hot coffee anytime and anywhere. Best gift for Christmas,Thanksgiving Day,Birthday etc. Specifications: Size: 86X86x225mm Capacity:330ml Housing MaterialABS Cup Material:Aluminum Rated power: 15w(max) Rated current: DC 5V/3A Material: ABS aluminum electronic components Working environment temperature: -20~60 Efficiency(time and speed):Drop 10 in 15 mins/Heat up to 45 in 30 mins Min/Max Temperature:-2~55 Package Content: 1 x Cup Cooler Device 1 x Charger 1 x User Manual