The video is two minutes and six seconds long and will have a buzzing sound that may make your phone vibrate a little.
Commenters under the video continue to rave about how great this product is every time their phone gets wet.
In fact, it’s science, not magic. The sound is carefully engineered to create enough air movement to push water droplets out of the speaker, which is also how the Apple Watch’s drainage feature works. The Verge and iFixit staff were a bit skeptical about how well third-party audio that isn’t specifically tuned for different smartphones would work, so they tested it on four smartphones: an iPhone 13, a Pixel 7 Pro, a Pixel 3, and a Nokia 7.1.
First, they submerged the phone in a UV bath for about a minute, then dabbed it, sprayed it with water, then played a video of the water being sprayed on it, then left the phone overnight and inspected it to see where the UV dye residue was still there and determine where there was still liquid remaining.
The results were mixed: the Pixel 7 Pro was bone-dry, the Nokia 7.1 was barely tolerable, and “the iPhone 13 and Pixel 3 fell somewhere in between.”
The team also took close-up videos of each phone’s speaker, showing the liquid draining out. The bottom line is that while video can be effective, it’s not perfect — it might get rid of droplets around the speaker, but it won’t work on other points of entry like the USB port or SIM card slot.
And no matter how perfectly your video worked, the seals on your phone will lose their water resistance over time, so you probably shouldn’t take your phone with you into the shower or leave it next to you while washing dishes.
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