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Electronics & Phones

Car and Wall Charger for BlueParrott B250-XT, B250-XT+ (Non-USB Version) - BlueParrott B250-XT Bluetooth Headset - 1st Generation (Prior to mid 2018) 203664 by Global Teck

Electronics & Phones4.5· 373 Amazon ratings

Bias-adjusted across 373 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Electronics & Phones.

79.5%
Percentile · Global
88.2%
Percentile · Cohort
Electronics & Phones
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Car and Wall Charger for BlueParrott B250-XT, B250-XT+ (Non-USB Version) - BlueParrott B250-XT Bluetooth Headset - 1st Generation (Prior to mid 2018) 203664 by Global Teck

How the score was built

Amazon ratings
373

used for the Bayesian percentile

Raw star average
4.5 / 5

unadjusted Amazon mean

Bayesian avg
4.46

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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