Feature:100% Brand New!Checking seriously and package best before shipping.1. Mini USB powered fridge with both cooling and heating functions.2. Built-in green / red LED indicator， magnetic door catch.3. Keep your beverage cool / warm to drink at your computer side.4. Can hold a single can， easy installation， no driver required.5. USB powered - Plug & Play. No batteries required.Specifications:1. Overall Size (L x W x H): Approx. 19.4��9��9 cm.4. Switch Control: "I" for heating， "II" for cooling， O for off5. Working Voltage: 5V DC6. Max. Power Consumption: 10W7. Temperature Range:8-9 deg C for cooling; 40-65 deg C for heating8. Material: Plastic