Summarize this content to 2000 words in 6 paragraphs We test open wireless earbuds based on five key criteria, comparing similarly styled and priced models. These criteria are design, sound quality, features, voice-calling performance and value.DesignWe assess not only how comfortable the earbuds fit (ergonomics) but their build quality and how well the controls are implemented. We also look at water- and dust-resistance ratings.Sound qualityWe evaluate sound quality by listening to a set playlist of music tracks and comparing the open earbuds to top competing products in their price range. Sonic traits such as bass definition, clarity, dynamic range and how natural the headphones sound are key factors in our assessment.FeaturesSome great-sounding open earbuds aren’t loaded with features, but we do take into account what extra features are on board. These include everything from noise-canceling and transparency modes (ambient sound mode) to special sound modes to ear-detection sensors that automatically pause your music when you take the headphones off your ears.Voice-calling performanceWhen we test voice-calling performance, we make calls in the noisy streets of New York and evaluate how well the earbuds reduce background noise and how clearly callers can hear your voice.ValueWe determine value after evaluating the strength of the earbuds against all these criteria and what the buds are able to deliver compared to other models in their price class. Our reviewer David Carnoy testing voice-calling performance on the noisy streets of New York. David Carnoy/CNET
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