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 Cooler

• 1 x USB Type-C Cable (1 Meter)

• 1 x User Manual

• Insert Cards

• Peltier Cooling Technology: Delivers powerful thermal regulation to prevent phone overheating

• Adjustable Clamps: Soft-grip rubberized jaws keep your device firmly in place

• Digital Speed Display: View fan speed levels (1 to 3) at a glance

• Built-In Rainbow Lighting: Subtle RGB effect adds visual flair

• 3-Speed Fan Button: Toggle between three levels of cooling based on intensity

• Tripod Mount Slot: Easily attach to a tripod or phone stand for hands-free gaming or content creation

• How Peltier Cooling Works

• The 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 Cooler

• The clamp uses non-slip rubber pads to grip your phone without scratching or slipping. Just press, align, and clamp.

• Built-in Safety Features

• Overvoltage protection

• Auto shutdown if internal temps exceed safety thresholds

• Using the Tripod Mount

• Locate the tripod slot on the back

• Compatible with most standard mounts — ideal for streamers or long gameplay

How to Set Up

• Connect the USB Type-C cable to the cooler

• Plug the other end into a 15W+ power source (5V/3A recommended)

• Open the clamp and mount the cooler securely to the back of your phone

How to Adjust Fan Speed

• Press 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 Mode
Fn+S = macOS Mode

• RGB only activates when the cooler is powered properly

• Recheck your cable, power source, and power button

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

Recommended Power Source

• Use 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 failure
  

Can 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 Smartphones

• Not 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 phone

• Make sure the fan is on and speed is set appropriately

• Confirm power source delivers 15W+ output

Fan Not Spinning?

• Check the USB-C connection

• Press the power button to cycle speeds

No Display?

• Cooler may not be powered on

• Use a verified 15W+ source and reconnect