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From Oura to RingConn, here’s how we test and rank the latest smart rings on the market.

Testing a robot vacuum involves a lot of patience, experimenting, and watching a robot roll around the floor, but it can make a big difference in a buyer’s decision.

We’ve tested over 100 portable power stations in recent years. Here’s how we make sure they’re worth recommending to you.

From battery tests to capturing photos in various lighting conditions, here’s how ZDNET’s mobile team evaluates the latest handsets before they’re recommended to you.

ZDNET goes hands-on with dozens of laptops each year. Here’s how we approach testing them.

We travel, exercise, work, and live in the latest headphones and earbuds so we can recommend the best for you. Here’s a look at our testing methodologies.

AI is the hottest topic in tech with new models and products launching daily. Here’s how we test the latest AI developments at ZDNET.

Everyone likes to save, but how do you know when you’re really saving? Here’s how we rate the deals we share with you in 2026.