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Trogonic TE1 Wireless Earbuds Bluetooth 5.0, IPX5 Waterproof Bluetooth Earbuds TWS+ 5.0 Cobblestone...
More product info From trogonic

73% of potentially unnatural reviews removed (why?)
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Last Updated: Mar 20, 2020
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Note: While Amazon.com claims 1,141 Reviews, we counted 1,139 available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

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

Most Trusted Reviews

Got these as an option for my gym bag. They're ... [Go to full review]
Jan 27, 2020      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (5 deleted Reviews; avg. rating: 2.8)
  • Critical Reviewer (avg. rating: 3.0)


Least Trusted Reviews

The sound quality on these earbuds are amazing. I have ... [Go to full review]
Dec 31, 2019      
0% TRUST
  • Verified Purchaser
  • Created on a high volume day
  • Contains repetitive phrases (show)
  • Overlapping Review History: reviewed 1 of 9 top products
  • Overrepresented Participation (posted 7 Reviews)
  • Easy Grader (avg. rating: 5.0)


Analysis Details

Fail Deleted Reviews

We discovered a total of 727 deleted Reviews for this product, with an average rating of 4.9. 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 our Deleted Reviews test.

4.9 average rating of deleted reviews

4.9


Show distribution of deleted reviews

Fail 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 4.4, while the average ease score for reviewers in this category is 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.

4.4 Product's Average Ease Score

4.1 Category's Average Ease Score


4.4
4.1


Read more about our Reviewer Ease 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:
37 reviews
(4.7/5)
33 reviews
(4.9/5)
159 reviews
(4.6/5)
76 reviews
(4.7/5)
59 reviews
(4.6/5)
30 reviews
(4.9/5)
14 reviews
(5.0/5)
31 reviews
(4.6/5)
22 reviews
(4.7/5)
22 reviews
(5.0/5)
Show MoreShow Less
Common Phrases in Titles:
63 reviews
(4.7/5)
33 reviews
(4.6/5)
34 reviews
(4.9/5)
11 reviews
(4.7/5)
16 reviews
(4.9/5)
13 reviews
(4.6/5)
Show MoreShow Less


184 of the 1,139 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 4.4. 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
4.4


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


268 of the 1,139 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.8 while the reviewers who have a more unique product review history rated this product an average of 4.4. 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


4.8
4.4


Read more about our Overlapping Review History test.

Warn Rating Trend

  • 5%
  • Created over 3 days

We counted 1,139 reviews for this product over the span of 175 days, an average of 6.5 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 16 or fewer reviews on any given day.

However, we see the following 3 days exceeding this threshold:In total, we found that 60 reviews were created on just 3 days. Although any days with a larger number of reviews than expected is suspicious, these reviews do not appear to have a significant impact on the overall rating.

from reviews created on high volume days

from reviews created on normal volume days


4.5
4.5


Read more about our Rating Trend test.

Warn Reviewer Participation

  • 75%
  • From reviewers with an overrepresented participation

We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 857 reviewers (or 75%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.4
4.7


Read more about our Reviewer Participation test.

Pass Unverified Purchases

30 of the 1,139 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


4.0
4.5


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

  • 0%
  • Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.

Pass Suspicious Reviewers

One-Hit Wonders


87 of the 1,139 reviewers have only reviewed this product. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from one-hit wonders

from reviewers with more than one review


3.9
4.5


Never-Verified Reviewers


10 of the 1,139 reviewers have never written a verified purchase review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from never-verified reviewers

from reviewers with at least one verified purchase review


4.2
4.5


Take-Back Reviewers


169 of the 1,139 reviewers have had at least one of their past reviews for another product deleted. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from take-back reviewers

from reviewers without previously deleted reviews


4.5
4.5


Single-Day Reviewers


11 of the 1,139 reviewers have written multiple reviews but posted all of them on a single day. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from single-day reviewers

from non-single-day reviewers


4.7
4.5


Read more about our Suspicious Reviewers test.

Pass Brand Repeats

Brand Repeaters

We didn't detect a substantial amount of Brand Repeaters.

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.


1 of the 1,139 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from incentivized reviews

from non-incentivized reviews


3.0
4.5


Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.