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Customer Ratings & Reviews

Your price for this item is $329.99
The comparable value price is $399.99

Customer reviews

Rating 4.6 out of 5 stars with 195 reviews

Rating Filter

Rating by feature

  • Cleaning Quality

    Rating 4.7 out of 5 stars

  • Maneuverability

    Rating 4.8 out of 5 stars

  • Ease of Assembly

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

94%would recommend to a friend

Customers are saying

Customers highly value the lightweight design, powerful suction, and long battery life of this cordless stick vacuum. The auto-empty feature and HEPA filtration are also frequently praised, while some users mention the dustbin could be larger. Many appreciate the ease of use and the helpful LED lights.

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.
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Page 1 Showing 1-2 of 2 reviews
  • Pros mentioned:
    Weight

    Rated 2 out of 5 stars

    Vaccum

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

    Its light weight but doesn't have powerful suction

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

      Hello,
      Thank you for taking the time to leave a review.
      We're so sorry to hear that you aren't happy with the suction on your BU3521. We will absolutely share your feedback with the relevant teams for consideration on future products.
      Kind regards,
      Shark Clean

  • Rated 2 out of 5 stars

    Worked good, but wouldnt charge

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

    Used once then Couldnt get this to charge at all. Maybe i got a dud. But returned and went back to dyson, which i have never had an issue with

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

      Hello,

      Thanks for sharing your experience with your Shark Stick Vacuum.

      We're sorry to know that you had issues with the battery life, and for this reason you decided to return it. This is not the experience we want our customers to have, especially on a recent purchase. We will absolutely share your comments with the relevant teams for consideration on future product improvements, and we hope you’ll give our products another try in the future.

      Kind regards,
      Shark Clean