PC gamers know about heat. When you're in the middle of an intense in-game battle, the last thing you want is for your computer to start acting up because your CPU or GPU got too hot. That's why gamers and other extreme users rely on products like CPU coolers and liquid cooling systems. You probably haven't been as concerned about your smartphone's thermals while playing Candy Crush on your iPhone. Nevertheless, Razer released a new product, the Phone Cooler Chroma, on Tuesday to ensure your smartphone doesn't overheat the next time you use it for gaming.

Of course, mobile gaming has grown beyond the likes of Candy Crush and Angry Birds. Razer (and some other vendors) have been trying to make mobile gaming a serious thing for a while. The company's efforts are mostly focused on controllers, like the Razer Kishi, that attach to your smartphone. There's also Razer's finger sleeve for mobile gaming.

The Phone Cooler Chroma released Tuesday has a different purpose. Compatible with both iPhone and Android phones (it supports "most smartphones," Razer's product page claims), the product is meant to help keep your phone cool while it's pushing those frames.

Interestingly, the fan takes advantage of Apple's MagSafe, allowing you to attach the cooler magnetically. That's convenient, but it also means the cooler won't sit directly above the phone's SoC.

If you don't have a MagSafe-compatible phone, you can opt for the version with a universal clamp.

We don't know how adjustable the cooler is, but Razer says it works with phones that are 2.64-3.46 inches (67-88 mm) wide.

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Staying cool?

A cooling plate sits on the back cover and is topped by an electronic tile that uses Peltier cooling, also known as thermoelectric cooling, to transfer heat. The next layer is a heatsink under a seven-bladed fan spinning at up to 6,400 revolutions per minute, adjustable via Bluetooth. Razer says the cooler can stay at 30 dB.

On top of the fan lies a cover with air vents, and—of course—RGB lighting. Does the lighting help your phone stay cool? Absolutely not. But it almost wouldn't be a Razer product without it. The gaming brand even put RGB on its N95 mask, so Chroma lighting here is no surprise.

There are 12 RGB LEDs in the cover, and each can be set to its own color and effect.

You'll need a USB-C cable to power the Phone Cooler Chroma. The cooler comes with a 4.9-foot (1.5 m) USB-C to USB-C cable, but this seems like it could be burdensome when gaming on the go, as a mobile gamer is inclined to do.

Razer didn't make any claims about how much cooler the product will keep your phone's components. Unlike a CPU cooler, this cooler doesn't come into direct contact with the processor, and it doesn't have any exhaust vents to work with as some laptop fan coolers do. So the heat transfer from the actual SoC may be limited. Hardcore mobile gamers can find out for themselves for $60.

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