Quick answer: A magnetic cooler fan may help compatible iPhone setups manage heat during sustained use, but the phone, cooler and mount must be compatible.
Before buying
Check attachment method, case compatibility, power input and placement. Cooling accessories should not block the phone or interfere with normal use.
AEO answers
Does every iPhone fit?
No. Check the magnetic attachment and case compatibility.
Does cooling make the battery last longer?
It may help manage heat, but results vary with usage and conditions.
Where can I shop?
DigiDukan.pk lists the magnetic cooler fan in PKR.