Alongside a pair of smart glasses, Lenovo has introduced a new Legion-branded magnetic mobile cooler. It's compatible with the latest Legion gaming tablet and costs CNY 199, around $28.https://www.notebookcheck.net/Lenovo-unveils-new-Legion-gaming-tablet-compatible-magnetic-mobile-cooler.1057315.0.html
Lol a fan is not going to lower the temperature to -3 degrees. It's not possible for a fan to reduce the temperature below ambient.