Smart portable cooling and heating box

Portable cooling and heating box Specifications: 1. Small and lightweight design with a gray lid and white body. 2. Digital screen to display temperature (shows -37 in the picture). 3. Front on/off button. 4. Side metal ring for carrying or hanging. Uses: - Keep food or drinks cold or warm while traveling or picnics. - Ideal for trips and daily commutes. Features: - Ability to control the temperature digitally with precision. - Elegant design and easily portable. - Versatile between cooling and heating. - Digital screen clearly shows the status.