Koden VWB551R-B Electric Blanket, Throw Mat, Single, 74.0 x 51.2 inches (188 x 130 cm), Flannel, Brown, Washable, Room Temperature Sensor, Sliding Temperature Adjustment, Dust Mite Repelling

Koden VWB551R-B Electric Blanket, Throw Mat, Single, 74.0 x 51.2 inches (188 x 130 cm), Flannel, Brown, Washable, Room Temperature Sensor, Sliding Temperature Adjustment, Dust Mite Repelling

ASIN: B0CBR2QDTP
Analysis Date: Jan 9, 2026 (re-analyzed Jan 9, 2026)

Review Analysis Results

B
Authenticity Grade
10.00%
Fake Reviews
3.30
Original Rating
3.10
Adjusted Rating

Analysis Summary

Based on a thorough analysis of these 10 Amazon reviews, the overwhelming majority (approximately 90%) appear to be genuine customer experiences. All reviews are verified purchases (indicated by 'V'), which significantly increases their authenticity likelihood. The reviews display a natural distribution of ratings (5 five-star, 2 four-star, 2 two-star, and 3 one-star), which is typical of authentic product feedback rather than manipulated reviews. The presence of critical reviews alongside positive ones further supports organic user feedback.

The reviews contain strong indicators of authenticity through personal context and specific details. Review #1 mentions purchasing the same product repeatedly over two years due to children damaging it, showing a longitudinal relationship with the product. Review #2 provides a balanced perspective, praising heating functionality while criticizing the loss of flannel texture when using a sheet as instructed. Review #4 offers emotional frustration about repeated product failures with specific mention of buying during sales and mechanical breakdowns. Review #6 includes specific size details (200×180) and notes the product is no longer sold, demonstrating genuine product knowledge.

Only minimal concerns exist regarding potential manipulation. Review #5 is extremely brief ('配送も迅速で、商品にも満足しています' - 'Delivery was quick and I'm satisfied with the product') and could potentially be formulaic, though its brevity alone doesn't confirm manipulation. Review #9 is a single English phrase ('Not warm 👎') in a Japanese review set, which is unusual but could represent a genuine non-Japanese speaker's feedback. Neither shows clear manipulation patterns like marketing language or repetitive phrasing across reviews.

In summary, this review set demonstrates strong authenticity signals with diverse perspectives, specific personal experiences, and natural rating distribution. The few potentially suspicious reviews lack definitive manipulation patterns and could easily be genuine brief feedback. The product appears to be a heating blanket or electric blanket based on genuine reviews mentioning heating functionality, flannel texture, corded design, and mechanical failures over time.

Key patterns identified in the review analysis include: Verified purchase indicators, Personal usage timelines and contexts, Specific product feature mentions.

Review Statistics

About Review Data Collection

We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.

72
Total Reviews on Amazon
10
Reviews Analyzed
9
Genuine Reviews
1
Fake Reviews
-0.20
Rating Difference

Want to analyze more reviews? Install the Null Fake Chrome extension to capture and analyze additional reviews as you browse Amazon.

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Price Analysis

This electric blanket appears positioned in the mid-range market with useful premium features. Given the average 3.3/5 rating, prioritize verifying product quality through recent reviews before purchase. Wait for seasonal promotions or compare with domestic Japanese brands like Iris Ohyama for potentially better warranty support.

MSRP Assessment

Estimated MSRP: Unknown
Source: Unable to determine
Amazon Price: Unable to compare

Market Position

Positioning: Mid-range
Alternatives Range: ¥3,000-¥8,000
Value: Offers premium features like room temperature sensor and dust mite repelling at a competitive price point compared to basic electric blankets.

Buying Tips

Best Time to Buy: Best purchased in late summer/early fall before winter demand peaks; prices typically rise in November-February.
Deal Indicators: Look for discounts during Amazon Prime Day, Black Friday, or end-of-season clearance (March-April).
Watch For: Be wary of third-party sellers with prices significantly below ¥3,000, as these may be counterfeit or used items; also check shipping costs for imported goods.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Jan 9, 2026

Understanding This Analysis

What does Grade B mean?

This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.

Adjusted Rating Explained

The adjusted rating (3.10 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (3.30 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.

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