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TOZO A2 Mini Wireless Earbuds Bluetooth 5.3 in Ear Light-Weight Headphones Built-in Microphone,...
More product info From TOZO

Amazon Reviews for  TOZO A2 Mini Wireless Earbuds Bluetooth 5.3 in Ear Light-Weight Headphones Built-in Microphone, IPX5 Waterproof, Immersive Premium Sound Long Distance Connection Headset with Charging Case, Black
Rating:
1,427 Ratings
("Ratings" vs. "Reviews")
2% of potentially unnatural reviews removed (why?)
Adjusted:
1,398 Ratings*




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Report Card

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

Most Trusted Reviews

Tozo is the best value in sound and among the ... [Go to full review]
Nov 27, 2022      
100% TRUST
  • Verified Purchaser
  • Contains repetitive phrases (show)
  • Easy Grader (avg. rating: 5.0)


Least Trusted Reviews

Tried these TOZO A2s out this morning during work and ... [Go to full review]
Sep 30, 2022      
0% TRUST
  • Verified Purchaser
  • Contains repetitive phrases (show)
  • Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
  • Overlapping Review History: reviewed 5 of 9 top products
  • Overrepresented Participation (posted 15 Reviews)
  • Easy Grader (avg. rating: 4.7)


Analysis Details

Fail Deleted Reviews

We discovered a total of 3 deleted Reviews for this product, with an average rating of 5. 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.

5.0 average rating of deleted reviews

5.0


Show distribution of deleted reviews

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


Less than approximately 10% of reviews admitted to receiving a free or discounted product in exchange for a review. Incentivized reviews have rated this product an average of 2.0 while reviews that were not incentivized rated this product an average of 4.5. 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 incentivized reviews

from non-incentivized reviews


2.0
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.

Warn Rating Trend
It appears that several reviews were created during just a short period of time.
Read more about our Rating Trend test.

Warn Suspicious Reviewers

Take-Back Reviewers


Approximately 35% of reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.

from take-back reviewers

from reviewers without previously deleted reviews


4.1
4.6


Read more about our Suspicious Reviewers test.

Pass Unverified Purchases

14 of the 1,427 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


5.0
4.4


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

  • <10%
  • 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 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:
~4% of reviews
(5.0/5)
~8% of reviews
(4.8/5)
~4% of reviews
(4.5/5)
~4% of reviews
(5.0/5)
~6% of reviews
(4.0/5)
~4% of reviews
(3.5/5)
~4% of reviews
(4.0/5)
Show MoreShow Less
Common Phrases in Titles:
~4% of reviews
(4.5/5)
~4% of reviews
(5.0/5)
~4% of reviews
(3.5/5)


Less than approximately 10% of reviews use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.3
4.4


Read more about our Phrase Repetition test.

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

Does not include products
from the same brand


Approximately 25% of reviewers have substantial overlapping product review history. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.7
4.4


Read more about our Overlapping Review History 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 4.4, while the average ease score for reviewers in this category is 4.3. While this discrepancy is rather large, it is not quite large enough to rule out the possibility of it being due random chance.

4.4 Product's Average Ease Score

4.3 Category's Average Ease Score


4.4
4.3


Read more about our Reviewer Ease test.


Pass Brand Repeats

Brand Repeaters

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

N/A Reviewer Participation
We haven't collected sufficient data to run this test yet. more info