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Electronics & Phones

Spigen Kuel S40 Stealth Car Mount Universal Phone Holder Compatible with Most Smartphones

Electronics & Phones3.0· 5,621 Amazon ratings

Bias-adjusted across 5,621 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Electronics & Phones.

0.8%
Percentile · Global
0.6%
Percentile · Cohort
Electronics & Phones
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Spigen Kuel S40 Stealth Car Mount Universal Phone Holder Compatible with Most Smartphones

How the score was built

Amazon ratings
5,621

used for the Bayesian percentile

Raw star average
3.0 / 5

unadjusted Amazon mean

Bayesian avg
3.02

raw rating shrunk to the category prior

Reviewer-graph z
0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Electronics & Phones

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