
GameSir-F9 Phone Cooler
$25.99
Hardcore handheld gamers abound with the spread of Internet and mobile devices as smartphones, tablets, Switch, Steam Deck, etc. Subsequently, heat couldn’t become a more common problem for mobile gamers, especially in some big titles. To help mobile gamers keep their best advantage, GameSir designed an all-round mobile weapon—F9 Magnetic Cooler—to expel heat in most mobile devices. Besides native magnetic design, it comes with an additional magnetic sheet and a clamp, so that you can use it on any of your mobile devices, be it Android phone, iPhone, tablet, Switch or Steam Deck. Meanwhile, 2 cooling modes with real-time temperature display allow you to control and show how cool you want. If you’re looking for a versatile cooler, F9 is your go-to everywhere you play.





* GameSir Lab tested at an ambient temperature of 25°C and the test result was compared to the skin temperature of phone without using F9. The cooling effect may vary due to different using environment.
2 cooling modes with real-time temperature display:
Available in 2 cooling modes with real-time temperature display—Normal Cooling Mode & Hardcore Cooling Mode, mobile gamers can control how cool they want by simple pressing the Cooling Mode Switch—Once for Normal Cooling Mode and Twice for Hardcore one.
360° rotatable, put power input port in any direction:
With 360°rotatable power input port, mobile gamers can customize the included 1.5 m power cable position in their preferred way.
Light on, gamer style on:
Once F9 is plugged-in and enabled the cooling mode, gamer style is lit while the back cooling fan lit with 7-color cycle.
Pocket-sized & lightweight for on-the-go gaming:
F9 is 23.5 mm thick and 59.6 mm in diameter, weighing only 66 g. Pocket-sized and lightweight, it’s a perfect gadget for on-the-go gaming and marathon gaming.
Second use as a phone holder under magnetic fixation:
When F9 is used under magnetic fixation, it can also serve as a phone holder for leisure activities.
Tech Specs:
Working Platform:
- MagSafe-compatible iOS devices (Use the cooler only)
- Phones, tablets, Switch, Steam Deck and other mobile devices without magnetic area (Use the cooler with the included magnetic sheet)
- Mobile phones with a width of 65-90 mm (Use the cooler with the included clip)
Connection: Wired Type-C to the cooler, magnet / clamp to the phone
Power Input: 5V/2A
Battery: No
Product Size: Diameter 59.6 mm / 2.35 in , Thickness 24 mm / 0.94 in
Net Weight: 66 g / 0.15 lbs
Package Size: 120*87*52 mm / 4.72*3.43*2.05 in
Gross Weight: 165 g / 0.36 lbs
Package Contents:
GameSir-F9 *1
Magnetic Sheet *1
Phone Clip *1
Transparent Protective Film *1
Wet & Dry Wipe Set *1
Type-C Cable (1.5 m) *1
User Manual *1
Certification *1
FAQ:
- What devices does it support?
①Use the Cooler only:
Support MagSafe-compatible iOS devices (iPhone 12 & 13 series)
②Use the Cooler + Attached magnetic sheet:
Support Phones, tablets, Switch, Steam Deck and other mobile devices without magnetic area
③Use the Cooler + Attached clip
Support Mobile phones with a width of 65-90 mm
- Can I use the cooler wirelessly?
No, the cooler has no built-in battery and needs to be powered by an external 5V 2A power adapter or portable power bank by the provided Type-C cable.
- Does the cooler work automatically once plugged in?
No, you also need to select the cooling mode (Normal Cooling Mode / Hardcore Cooling Mode) by pressing the Cooling Mode Switch to launch the cooler after the cooler is plugged in.
- What’s the area of the cooling zone?
It’s around 1600 mm².
- How much can the cooler lower the phone’s skin temperature?
GameSir Lab tested at an ambient temperature of 25°C, under which the phone’s skin temperature can be dropped by 25°C. The test result was compared to the skin temperature of phone without using F9. The cooling effect may vary due to different using environment.
- Can it be used with phone protection cover?
No, it can’t be used with protection cover, considering the best cooling effect.
- How many dB is the back fan?
Only 25 dB max even under the Hardcore cooling mode.
- What’s the usage of the magnetic sheet?
It’s for magnetically mounting mobile devices without magnetic area. In other words, make your mobile devices magnetic so that you can fix the cooler directly on your mobile devices, without a clamp.
Please be noted that don’t place the magnet sheet over the NFC location on your phone or it might affect its NFC function and devices that support wireless charging cannot be charged wirelessly when using the magnetic sheet.
Manual:
Tutorial:
> How to use GameSir F9