It's a nice little unit. Quiet, but effective at keeping my s21 ultra cool while fast charging and gaming.
The unit is smaller than i was expecting, but thats probably good as it doesn't interfere with my camera bump at all. Very good value for the money as long as it holds up. If you want cooling on the go...you'll need an extended battery, and it isn't pocket friendly with it on, plus no case while using the cooler, but for at home high heat usage, its perfect.
I was not sure what to expect when I ordered this. I was looking for a fan to cool my phone while charging it of using it outdoor on hot summer days while working. I thought a fan would be good enough.
To my surprise this device actually actively creates a cooling effect by way of ceramic semi conductive chips. It literally get cooler than the air around it. It seems to work similarly to electric coolers for food.
It keeps my phone at 33°C or less even in the outdoors. I was amazed at its effectiveness. It will indeed collect condensation from the air because it cools to less that the air temp.
I was seriously impressed with how much cooling this thing supplied for my iphone xs. I purchased it for some mobile games that would cause my phone to get super hot and drop frames. This thing is a RADIATOR, not just 2 fans. It actually gets super cold very quickly (like 15 seconds).