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Customer reviews

Rating 3.9 out of 5 stars with 2180 reviews

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Rating by feature

  • Sound Quality

    Rating 4.3 out of 5 stars

  • Battery Life

    Rating 4.5 out of 5 stars

  • Connectivity

    Rating 4.4 out of 5 stars

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Cons mentioned filter

74%would recommend to a friend

Customers are saying

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 102 Showing 2,021-2,040 of 2,180 reviews
  • Rated 1 out of 5 stars

    Big disappointment

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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.

    The sound quality is horrible. I bought these for my mom, paired them to her phone & I could barely hear her when we tested them out. I definitely expected more from Sony . Big disappointment

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Not for use on outgoing calls.

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Can't use them on a phone call as the other party hears a lot of noise. I tried another pair and the same result. They are OK for blue tooth to audio transmitters.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Poor - constant returns

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    They are ok- I have to repeat myself a lot with them- but have to have hands free device for work and since AirPods I might drop while working I’m forced to have this type - so get the protection plan I believe I’m on my 3rd pair

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Yet another defective unit

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Obtained this headset as a replacement under warranty for a pair that lasted two weeks. This pair lasted about 24 hours before developing a no sound issue. Switching to a different brand.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Wireless headphones

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Extremely bad product, got defective after 3 months (hardly) of usage. Hadn't used this very excessively too. Overall dissatisfied and disappointed....

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Not good quality

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    These headphones are very uncomfortable to wear, the ear buds dangle (no magnets to keep them stationary or retracting ability), and the sound quality during a phone call is horrible (lots of static and breaking up).

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Poor Quality

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Purchased as a replacement set for previous C400 set owned. Thankfully bought extended protection from Best Buy. headphones did not last two weeks before no sound problem developing.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Don't Waste Your Money!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    These have a delay in message relaying that makes it very hard to communicate with the person on the other line. Don't recommend!

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Never again

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Unfortunately, the sound quality was really bad with these. When I was on the phone, I'd hear the static of the mic part rustling against my shirt or jacket. It was terrible. Wouldn't waste money on these.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Nit happy

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very bad reception, nit clean at all. I do not recommend them at all. I kept my one day past the return date, therefore I was not able to return them.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Overpriced for Quality - dont buy

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very poor quality sound for calls so had to return. Also not vlexible, a hard plastic that was uncomfortabke and seemed it would easily break.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Pure garbage.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I had these for less than one month - so much dropping and stuttering of signal no matter where I was. Then they completely refused to pair with any of my previously-paired devices.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Made very cheap ,would not recomend

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    would not recommend ,they do not charge fully,very uncomfortable ,made very cheaply and sound is horrible .they also do not retract in which causes the ear buds to get tangled in everything

    No, I would not recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi ghost1120, please refer to the link below for possible troubleshooting steps to fix this issue. I hope it helps. Regards, ^Ron

      https://helpguide.sony.net/mdr/wic400/v1/en/contents/TP0001513176.html sony_US

  • Rated 1 out of 5 stars

    Worked great for few weeks

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It worked great for a few weeks then started acting weird - constantly vibrating, intermittent sound; it finally stopped working all together - tried resetting, recharging with no success.

    No, I would not recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi bricran, please refer to the link below for possible troubleshooting steps to fix this issue. I hope it helps. Regards, ^Ron

      https://helpguide.sony.net/mdr/wic400/v1/en/contents/TP0001513176.html sony_US

  • Rated 1 out of 5 stars

    Earbuds kept falling out of my ears.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Earbuds kept falling out of my ears. Had difficulty getting the sound to only come through the headset. Could still hear the sound coming out of the computer. I returned them.

    No, I would not recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi, Notpleased!

      We apologize for the inconvenience that this may have caused. Sony takes into consideration all feedback to improve the performance and quality of our products. We will pass this to the proper department. Thank you for your time.

      Regards,

      Jay Sony_US

  • Rated 1 out of 5 stars

    Not of good quality

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This item is not a quality product at all! You can't hear anything but yourself talking, it echoes badly and is not a good representation of Sony products.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Horrible

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This headset is horrible! It she good clarity, it doesn't allow you to do voice calling, there are no magnets on the ear pieces, I expected so much more from a Sony product.

    No, I would not recommend this to a friend
    • Brand response from SonyListens
      Posted .

      Hi Quiona, Sony takes into consideration all feedback to improve the performance and quality of our products and services. We're always looking to make Sony better. We appreciate your time sharing this feedback. Regards, David Sony_US

  • Rated 1 out of 5 stars

    Exchanged Twice

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Ended up having to exchange these headphones twice before getting store credit as one of the ear buds would always quit working within 2 months. Very disappointed!!!!

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    This was the worst I have ever used.

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This item was bad for me. My calls were poor and people could not hear me. I had to return it after two weeks of frustrations in trying to use it

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Would not recommend

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    They do not cancel noise. There is a bad echo. People say I sound as if I am under water. I will be returning these headphones.

    No, I would not recommend this to a friend