Advanced Temperature Feature This portable cooling device uses semiconductor cooling technology to quickly lower surrounding temperature by 3 5°C Versatile Multi Use Application Excellent as work area accessories, outdoor gear, or thoughtful gifts, this modern cooling solution combines effective temperature reduction, adjustable settings, and portable convenience for various environments including homes, work spaces, or travels Extensive 199 Step Customization With wide choices from gentle air streams to powerful circulation, choose your desired intensity for different situations like daily commutes or outdoor activities through simple panel Compact Foldable Structure The practical folding design reduces storage size for easy carrying in bags or pockets, perfect for trips, outdoor activities Digital Display & power meter Features an easy to view screen showing current setting and remaining fee condition, supporting up to 8 hours continuous ( lowest setting) for extended cooling during outdoor activities