Product size: 12*8.5*25cm USB cable length: 1200mm Applicable cups: cans, 350ml-600ml bottled water, beverages, coffee, dairy products, cosmetics, medicines, etc.; Cooling power loss: 5v 1000mA Heating power loss: 5v 500mA Cooling low temperature: 10 ° C (or 10-15 degrees below ambient temperature) High temperature insulation: 50 ° C Cooling effect: 10-15 minutes Insulation effect: long-term effect Working noise: 35DB Environmental Pollution Index API: Level 0 Support hot swap, easy to use Operating system: IBM PC / MAC compatibles This device is suitable for USB interface computers and related equipment