Group 1 - iQOO launched its new gaming smartphone iQOO15Ultra with a starting price of 4999 yuan after national subsidies, featuring a custom ice dome cooling system [1] - The iQOO15Ultra is equipped with the fifth-generation Snapdragon 8 flagship processor and incorporates multiple cooling structures and materials, including an aviation aluminum heat dissipation channel and a large VC uniform heat dissipation plate [1] - The increasing performance of mobile devices necessitates advanced cooling solutions, as passive heat dissipation methods are insufficient, leading to the adoption of active cooling components like fans in smartphones [1] Group 2 - According to Guotou Securities, the application of micro fans in smartphones is on the rise, with several companies in the supply chain making clear advancements in this area [2] - The trend towards active cooling solutions in smartphones is expected to accelerate, marking a shift towards an era of active cooling in the industry [2]