Most Mobile gamers met same problem, their phone will slow down and frame dropped if they play long time games, so they need a fan to cooling their mobile to go on gaming, moreover their phone power used up very quickly, so also need charge their phone, therefore they want to a cooler and a charger.
MEMO DL02 phone cooler can solve this problem, you can playing mobile games while charging your phone, and its easy to install, stretch the clip and fixed on your phone, and plug the transfer cable on the phone and cooler, now you can have a good experience in the mobile games, its a perfect design!
