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Wireless Earbuds, Bluetooth 5.0 Wireless Headphones 23H Playtime Deep Bass Stereo Sound True...
More product info From Donerton

Amazon Reviews for Wireless Earbuds, Bluetooth 5.0 Wireless Headphones 23H Playtime Deep Bass Stereo Sound True Wireless Earphones Earbuds with Mic, Headphones for Running, Stereo Calls, Low Latency, IPX56 Waterproof
Rating:
1,314 Reviews
16% of potentially unnatural reviews removed (Why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Oct 27, 2019
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Show Report History
Note: While Amazon.co.uk claims 1,314 reviews, we counted 1,319 available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

Pass Overall Grade
FAIL Suspicious Reviewers
FAIL Phrase Repetition
FAIL Overlapping Review History
WARN Deleted Reviews
PASS Rating Trend
PASS Unverified Purchases
PASS Word Count Comparison
PASS Reviewer Participation
PASS Reviewer Ease
PASS Brand Repeats
PASS Incentivized Reviews

Most Trusted Reviews

I was happy with the product at the beginning, but ... [Go to full review]
Jul 21, 2019      
100% TRUST
  • Verified Purchaser
  • Easy Grader (avg. rating: 5.0)


Least Trusted Reviews

Broke within a day of using battery is rubbish lasts ... [Go to full review]
Jul 31, 2019      
0% TRUST
  • Unverified Purchaser
  • One-Hit Wonder
  • Never-Verified Reviewer
  • Critical Reviewer (avg. rating: 1.0)


Analysis Details

Fail Suspicious Reviewers

One-Hit Wonders


134 of the 1,319 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 2.7 while the reviewers who have posted more than one review have rated this product an average of 4.3. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.

from one-hit wonders

from reviewers with more than one review


2.7
4.3


Never-Verified Reviewers


7 of the 1,319 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 2.9 while the reviewers who have written at least one verified purchase review rated this product an average of 4.2. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.

from never-verified reviewers

from reviewers with at least one verified purchase review


2.9
4.2


Take-Back Reviewers


88 of the 1,319 reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 4.5 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 4.1. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.

from take-back reviewers

from reviewers without previously deleted reviews


4.5
4.1


Read more about our Suspicious Reviewers test.

Fail Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.

Common Phrases in Reviews:
49 reviews
(4.9/5)
29 reviews
(4.7/5)
155 reviews
(4.5/5)
30 reviews
(4.7/5)
42 reviews
(4.9/5)
18 reviews
(4.9/5)
19 reviews
(4.9/5)
26 reviews
(4.8/5)
45 reviews
(4.2/5)
27 reviews
(5.0/5)
Show MoreShow Less
Common Phrases in Titles:
78 reviews
(4.7/5)
27 reviews
(4.0/5)
24 reviews
(4.8/5)
19 reviews
(5.0/5)
26 reviews
(4.9/5)
Show MoreShow Less


157 of the 1,319 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 4.8 while reviews without substantial repetitive phrases rated this product an average of 4.1. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.8
4.1


Read more about our Phrase Repetition test.

Fail Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:

Does not include products
from the same brand


245 of the 1,319 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.9 while the reviewers who have a more unique product review history rated this product an average of 4.0. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.9
4.0


Read more about our Overlapping Review History test.

Warn Deleted Reviews

We discovered a total of 19 deleted reviews for this product, with an average rating of 4.8. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.

There are a few limitations to keep in mind regarding the Deleted Reviews test:
  1. We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
  2. We have no information on reviews that were never published in the first place.
  3. We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.
Read more about the Deleted Reviews test here.

4.8 average rating of deleted reviews

4.8


Show distribution of deleted reviews

Pass Rating Trend

  • 3%
  • Created over 2 days

We counted 1,319 reviews for this product over the span of 189 days, an average of 7.0 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 17 or fewer reviews on any given day.

However, we see the following 2 days exceeding this threshold:In total, we found that 36 reviews were created on just 2 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews created on high volume days

from reviews created on normal volume days


4.3
4.1


Read more about our Rating Trend test.

Pass Unverified Purchases

27 of the 1,319 total reviews for this product are unverified purchases. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from unverified purchasers

from verified purchases


4.1
4.1


Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.

Pass Word Count Comparison

  • 22%
  • Have an overrepresented word count

In the graph above, we can see the distribution of review word counts for this product and the expected distribution for this category. We see the following 1 group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 284 reviews (or 22%) are within an overrepresented word count group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews with an overrepresented word count

from reviews with a properly represented word count


4.3
4.1


Read more about our Word Count Comparison test.

Pass Reviewer Participation

  • 0%
  • From reviewers with an overrepresented participation
We didn't find any participation groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Reviewer Participation test.

Pass Reviewer Ease
The ease score is the average rating for all reviews that a given reviewer submits. The average ease score for reviewers of this product is 4.3, while the average ease score for reviewers in this category is 4.2. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.3 Product's Average Ease Score

4.2 Category's Average Ease Score


4.3
4.2


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters


6 of the 1,319 reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from Brand Repeaters

from Non-Repeaters


5.0
4.1


Read more about our Brand Repeats test.

Pass Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.

  • 0%
  • Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test, or check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.


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