Customers recognize the C400 Wireless Behind-the-Neck In Ear Headphones for their exceptional sound quality, long battery life, and comfortable fit. Many users appreciate the great sound and find the earphones lightweight and easy to use. However, some users have concerns about connectivity issues, microphone quality, and the overall design of the headphones.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 105 Showing 2,081-2,100 of 2,180 reviews
Rated 1 out of 5 stars
Horrible
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
These are horrible. The quality is terrible and other callers cant hear you on it.
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Bought one unit and had to replace it.
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
First unit worked one time I had to send it back to Sony because it had been over 15 so the store could not do anything.
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Brand response from SonyListens
Posted .
Hi Curt, we regret to hear what happened. We would like to know more about the issue and help you out. Kindly send us an email at [email protected] including my name and this feedback post in the email. Hope to hear from you. Regards, -Erin
Rated 1 out of 5 stars
Not recommend
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Sound quality poor don't like how the speaker is on inside it rubs on your neck or shirt
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Wireless
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Posted . Owned for less than 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I can’t really rate this I had to return them as they would not sync with my existing box!
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Not a good one!
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Posted . Owned for less than 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Not a great headphone. The charging port does not work.
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Terrible less than one star
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I would not purchase
They worked for two weeks.
Bestbuy would not return after 14 days.
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Don't buy these
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Terrible quality..sounded like my husband was under water. Returned this item
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Dont
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Had to get replaced twice. Pops and crackles I won't recommend it to anyone
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
I would recommend this to a friend
Rated 1 out of 5 stars
Poor
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Audio quality is OK but the microphone is awful do not recommend
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Horrible sound
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The sound quality is muffled and you can also hear an echo, I expect better from Sony
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Not was I expected
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
When I first cut them on there was alot of feedback. I was told there great with Android but terrible with Apple.
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Rated 1 out of 5 stars
Not recommended
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
This headset will cut off in the middle of playing a podcast.
The sound will be choppy periodically.
This review is from Sony - C400 Wireless Behind-the-Neck In Ear Headphones - Black
No, I would not recommend this to a friend
Brand response from SonyListens
Posted .
Hi QAPro,
We do apologize for the inconvenience. Please try to initialize the headphones to factory default settings and try again. See link below for instruction