FS01 mobile phone cooler is a portable dual-fan air-cooling radiator designed to prevent smartphone overheating during intensive mobile gaming or live streaming.Compatibility: Features an adjustable clip that fits most iOS and Android smartphones ranging from 62mm to 92mm in width.Power Options: Available in plug-in or rechargeable battery configurations (offering roughly 2 to 4 hours of wireless use on battery models).Design: Uses dual built-in cooling fans with a lightweight back-clip mechanism and Type-C charging support.