Mini PC USB Cooler & Warmer, HQF Portable USB Beer Beverage Drink Cans Fridge Cans Cooler Warmer for Cold / Hot Beverage Drinks (Silver, Bigger Size) Portable mini fridge, apply to all PC or other USB interface, no batteries or driver required, plug and play Cooler & Warmer -- to keep your cold drink stay cool longer, and make warm beverage keep warm longer at hand(Note: it is without Cooling $ Heating function as the actual fridge) Switch and LED indicator--"I" is for cooler with green light; Switch "II" is for warmer and the red light is on Volume: 10*7*4.7 inches, Powered by 4 feet USB cable, suitable for car office or home to keep beverage, coca-cola, cans, coffee and other drinks USB Fridge can holds two 12 ounce cans or a single beer Color: Silver. Voltage DC 5V, current 500Ma. Powered by 4 feet USB cable. Volume: Height: 9.25&#034;,width: 2.36&#034;,length: 3.14&#034;. Minimum system requirements: A.PC and Macintosh platforms; B.32 MB of system RAM; C.100 MB available hard disk space; D. USB 1.1 port. HQF USB mini fridge X 1 PCS USB Fridge can holds a approx 12 ounce can or drink. Suitable for car office or home to keep beverage, coca-cola, cans, coffee and other drinks. Keep your beverage cool/warm to drink at your computer side. Note: No cooling and heating function as the real fridge, it only keep cold drink that&#039;s already cold; something hot that is already hot. Portable mini fridge, apply to all PC or other USB interface, no batteries or driver required, plug and play. Easy installation and convenient, no driver required, just need to plug and play. Switch and LED indicator--&#034;I&#034; is for cooler, the LED indicator is on green light; Switch &#034;II&#034; is for warmer and the red light is on.