Dyson’s handheld fan is more powerful and louder than I expected

Two years ago I attended a picturesque outdoor wedding in August where the hot and humid weather had guests occasionally ducking into their cars to enjoy a blast of AC. Dyson’s new $99.99 handheld fan would have provided some much-needed relief then, although I’m not sure I would have been comfortable powering it up during the service or reception. The HushJet Mini Cool is as slim and sleek as Dyson’s recent thin vacuum and hair dryer, but it’s not quiet enough to earn the name “Hush.”

That’s...