Mobile World Congress 2023 is taking place in Barcelona from February 27 to March 2 this year. The OnePlus 11 Concept smartphone has been unveiled at the expo. It features an advanced liquid cooling technique called Active CryoFlux, which the company claims can reduce the device’s temperature by up to 2.1 degree Celsius. It can also bring the temperature of the device down by 1.6 degrees Celsius for quicker charging, according to OnePlus.