How to do it
Before you read the loudest opinions, filter reviews to 3 and 4 stars. Scan ten to twenty of them and write down repeated issues: too noisy, smaller than expected, weak battery, cheap material, confusing setup, slow delivery. Then ask yourself whether each issue matters for your use case.
Why it helps
5-star reviews often focus on excitement. 1-star reviews often focus on frustration. Both can be useful, but they are not always balanced. 3- and 4-star reviews are more likely to explain what works, what does not, and who the product is still good for. That is the buying signal you actually need.
What to watch for
Look for patterns instead of single dramatic comments. If several people mention the same flaw, take it seriously. Also check the context: a complaint like "too small" may be a problem for one buyer and a benefit for you if you want something compact.
Read the extremes last
After you understand the middle, read a few 5-star and 1-star reviews. You will quickly see whether the praise and complaints confirm the same trade-offs or describe rare cases. This keeps you from overreacting to one perfect or terrible review.