Black Shark FunCooler 5, magnetic phone cooler: full spec sheet and buying guide

Updated August 2, 2026 · Category: Mobile & Accessories · Content based on official specifications and public Amazon buyer ratings, not a hands-on test.

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The Black Shark FunCooler 5 is a magnetic clip-on cooler built to reduce phone temperature during mobile gaming. This page summarizes its features based on its official spec sheet and public buyer ratings.

Black Shark FunCooler 5, magnetic phone cooler

★ 4.2/5 on Amazon

Semiconductor cooling with a magnetic clip, designed to keep a phone cooler during long gaming sessions.

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Ratings and prices are as shown on Amazon at the time this article was published and may have changed. Affiliate disclosure.

Cooling method

According to its spec sheet, it uses semiconductor (thermoelectric) cooling paired with a fan to actively pull heat away from the back of the phone.

Magnetic attachment

It clips on magnetically without needing a case or adhesive, making it quick to attach before a gaming session and remove afterward.

Strengths based on its spec sheet

Active semiconductor cooling, not just a passive fan
Magnetic attach/detach, no adhesive needed
Noticeably reduces temperature during long sessions
Doesn't require a specific case

What to consider before buying

Adds bulk to the back of the phone while attached
Needs its own battery charge
Fan noise is audible in quiet environments

Want to compare this model with other mobile options? Check out our mobile buying guide.

Who is it ideal for?

Based on its spec sheet, it's a good fit for anyone who games on their phone for extended sessions and notices it heating up.

Who is it NOT the best option for?

If you only game occasionally, the added bulk and cost may not be worth it — check other mobile accessories in our mobile guide.

Frequently asked questions

How does it attach to the phone?

Magnetically, according to its spec sheet, without needing a specific case or adhesive.

Does it use a fan or just a cold plate?

Both, its spec sheet describes semiconductor cooling combined with a fan to actively remove heat.

Does it need to be charged?

Yes, according to the manufacturer's specifications it has its own battery that needs charging separately from the phone.

Does the Black Shark FunCooler 5, magnetic phone cooler sound like the right fit for you?

See current price on Amazon