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  • Front. Shark - Clean & Empty, Cordless Stick Vacuum with 1.3L Auto-Empty System, HEPA, Up tp 40 Min Runtime - White.
  • The text on the image is grouped and corrected as follows: "Auto-Empty System: Automatically empties and disposes of debris - no more daily emptying. Up to 30 days of hands-free emptying with: * No dirt on your hands * No dust clouds * No cleaning in your home after you clean."
  • The text on the image reads: "Shark 30% lighter than Shark Vertex Pro."
  • The text on the image reads: "Auto-empty dock LOCKS AWAY over 99.97%* of dust & allergens" ANTI-ALLERGEN C COMPLETE SEAL DESIGNED TO LOCK AWAY DIRT, DUST, ALLERGENS, ODORS Based on ASTM F1977 of particles to 0.3 microns or larger. "Allergens refers to non-living matter."
  • Shark Removable Hand Vac is a lightweight above-floor cleaning device that detaches for easy use.
  • Up to 500x less dust exposure based on third-party plume testing while emptying vs. Shark Navigator upright manual empty (US/CA: NV130).
  • The text on the image reads: "POWERFINS Multi-surface cleaning Auto-adjusts brushroll speed depending on floor type."
  • "Always charged. Always ready. For up to 40 minutes of runtime. Powerfin in ECO mode, measured at the hand vacuum."
  • VS No Hair Wrap: Self-cleaning brushroll for no hair wrap.
  • Duster Crevice Tool Clean hard-to-reach areas.
  • The text on the image reads, "Pet Multi-Tool Removes pet hair and embedded dirt."
  • The text on the image is grouped and corrected as follows: "Hypervelocity: Accelerated Suction Power. Powerful suction on carpets & floors. Powerfins."
  • HAIR WRAP NO HAIR WRAP SELF-CLEANING BRUSHROLL PET HAIR LONG HAIR
  • Shark Clean & Empty Cordless Stick Vacuum Trailer video 1 minutes 00 seconds

Shark - Clean & Empty, Cordless Stick Vacuum with 1.3L Auto-Empty System, HEPA, Up tp 40 Min Runtime - White

Model:
BU3521
SKU:
6583331
Highly rated by customers for:
$279.99
Save $120
The comparable value is $399.99

Customer reviews

Rating 4.5 out of 5 stars with 326 reviews

Rating Filter

Rating by feature

  • Cleaning Quality

    Rating 4.6 out of 5 stars

  • Maneuverability

    Rating 4.7 out of 5 stars

  • Ease of Assembly

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

90%would recommend to a friend

Customers are saying

Customers often highlight the Clean & Empty Cordless Stick Vacuum's lightweight design, strong suction power, and ease of use. Many are happy with the overall performance and appreciate the good battery life and convenient auto-empty feature. However, some customers have noted that it does not pick up trash well.

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 10 Showing 181-200 of 326 reviews
  • Pros mentioned:
    Ease of use

    Great

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

    My wife loves this! She uses it everyday! And syas its easy to use and gets into places she couldn’t reach before!

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Powerful and user friendly

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

    We love how Powerful, light and user friendly this vacuum is! Very easy to use in tight spaces and flexible. The battery life is superior to other vacuums I owned before.

    I would recommend this to a friend

  • Buy this Vac!

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love this vacuum, it's super powerful in the auto empty feature is amazing! I compared this to a Dyson and this was way better and features and price. Righ

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Great Family Vac

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

    Great vac for our tile and laminate floors and we like the self cleaning aspect very easy to assemble and use we would def recommend.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    the best

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

    Excellent services, 100% good product good price. Shark

    I would recommend this to a friend

  • Auto Empty Shark - A Dream Machine

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

    Outstanding Vacuum. This vacuum does a fantastic job and it's wonderful that it is and Auto-Empty System. It works like a dream and keeps your hard floors and carpeted floors clean and beautiful. Great vacuum.

    I would recommend this to a friend

  • Love it

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

    We didn't really expect to love the auto-empty feature as much as we do. Very convenient. It works well in our home with a cat and 3 small dogs.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Weight

    Shark Stick Vacuum

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

    Battery life is much shorter then they say when using it on carpet. It is light weight and easy to use. Great for light cleaning.

    I would 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 the battery runtime has disappointed you on your BU3521. We will absolutely share your feedback with the relevant teams for consideration on future products. If you need any help with your product, please don't hesitate to reach out to our team by phone at 1-855-427-5127.
      Kind regards,
      Shark Clean

  • Pros mentioned:
    Suction power

    Good Quality for Price

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

    Really quick and easy to set up. Price is reasonable especially for suction power. Had no issues transferring from carpet to floor. Good brand as well

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Powerful and dependable

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

    Very satisfied with the way it picks up. Especially with pet hair.

    I would recommend this to a friend

  • Love this

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

    Best vaccumm for pet hair! I have gone through alot of vaccumms, especially with 2 dogs at home. This one by far is the best. The auto empty is super convenient as well.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Wonderful

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

    I bought this for my 85 year old grandmother. She loves it! Easiest and best vacuum I could have got her for her small 2 bedroom apartment.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Great cordless vacuum

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    What a great vacuum! Battery life is great and the cleaning power is even better. Would not ask for a better cordless vacuum than this one.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Great Vacuum

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

    Works great. So easy to use my three year old can take it off, use it, and place it back by herself.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Worth the price!

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

    Amazing vacuum! Works like a charm! Get you one! Wife couldn’t be happier with the purchase if I was vacuuming the floor myself!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Clean like a pro

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great for cleaning. Easy to use and works good in every corner

    I would recommend this to a friend
  • Pros mentioned:
    Weight

    Love this vacuum

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

    I love this vacuum. It is easy to handle, light, and cleans wonderfully. Filters are easy to remove and clean.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Vacuum

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

    I love this vacuum cleaner! It works great on floor and carpet.

    I would recommend this to a friend
  • Pros mentioned:
    Weight

    Great sweeper

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

    This is a great sweeper I have all hard surface floors and it is so lightweight and easy to use. I really love that it empties itself.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Best purchase

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

    This vacuum works amazing!! Better than the Dyson, works great with picking up hair and pet hair

    I would recommend this to a friend
Page 10, Showing 181-200 of 326 reviews
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