EvoFox Hailstone S

The EvoFox Hailstone S is a high-performance mobile phone cooler built for gamers and heavy users. Featuring advanced Peltier cooling, a high-speed 7-blade fan, vibrant rainbow lighting, and a secure clamp-style mount, it keeps your phone cool, quiet, and game-ready — all while looking sharp.

1 x EvoFox Hailstone S Mobile Phone Cooler1 x USB Type-C Cable (1 Meter)1 x User ManualInsert Cards

Peltier Cooling Technology: Delivers powerful thermal regulation to prevent phone overheatingAdjustable Clamps: Soft-grip rubberized jaws keep your device firmly in placeDigital Speed Display: View fan speed levels (1 to 3) at a glanceBuilt-In Rainbow Lighting: Subtle RGB effect adds visual flair3-Speed Fan Button: Toggle between three levels of cooling based on intensityTripod Mount Slot: Easily attach to a tripod or phone stand for hands-free gaming or content creation

How Peltier Cooling WorksThe cooler uses a thermoelectric module to absorb heat from the phone via a heat pad, then expels it with the help of metal fins and a high-speed fan — ensuring performance even during long gaming sessions.How to Attach the CoolerThe clamp uses non-slip rubber pads to grip your phone without scratching or slipping. Just press, align, and clamp.Built-in Safety FeaturesOvervoltage protectionAuto shutdown if internal temps exceed safety thresholdsUsing the Tripod MountLocate the tripod slot on the backCompatible with most standard mounts — ideal for streamers or long gameplay

How to Set UpConnect the USB Type-C cable to the coolerPlug the other end into a 15W+ power source (5V/3A recommended)Open the clamp and mount the cooler securely to the back of your phoneHow to Adjust Fan SpeedPress the Power Button to cycle between:Speed 1 (-1)Speed 2 (-2)Speed 3 (-3)The display will show the active speed level

Fn+A = Windows ModeFn+S = macOS Mode

RGB only activates when the cooler is powered properlyRecheck your cable, power source, and power button

Factory Reset = Fn+ESC3-Pin Replaceable Switches — Use included puller to swap.

Recommended Power SourceUse a power adapter, USB-C port, or power bank that delivers at least 15W (5V/3A or higher)Underpowered sources may lead to reduced cooling or lighting failureCan I Charge My Phone While Using the Cooler?Yes! The cooler can operate while your phone is charging. Just ensure the power supply can handle both loads simultaneously.

Works with Most SmartphonesNot Designed for Tablets — The clamp size and cooling area are optimized for standard phone dimensions

Phone Not Cooling?Check for proper contact between cooler and phoneMake sure the fan is on and speed is set appropriatelyConfirm power source delivers 15W+ outputFan Not Spinning?Check the USB-C connectionPress the power button to cycle speedsNo Display?Cooler may not be powered onUse a verified 15W+ source and reconnect