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🧼 Clean smarter, not harder — the future of effortless home care!
The Shark Clean & Empty Cordless Vacuum Cleaner combines a lightweight 2.7kg design with a powerful 40-minute runtime and an innovative auto-empty system that seals away 99.9% of dust and allergens. Equipped with multiple specialized tools and LED headlights, it ensures thorough cleaning on carpets and hard floors while minimizing maintenance with a sealed bagless base that holds dirt for up to 30 days.










| ASIN | B0F5X43Z7P |
| Battery Life | 40 minutes |
| Best Sellers Rank | 41,155 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 79 in Stick Vacuums & Electric Brooms |
| Brand Name | Shark |
| Capacity | 1.3 litres |
| Colour | White/Mohogany |
| Country Of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (280) |
| Filter Type | HEPA Filter |
| Form Factor | Stick |
| Included Components | Anti-Allergen Brush, Auto-Empty Charging Dock, Crevice Tool, Motorised Hand Tool, Multi Surface Tool |
| Indoor Outdoor Usage | Indoor |
| Is Product Cordless | Yes |
| Item Dimensions L x W x H | 35.3L x 26.4W x 109.2H centimetres |
| Item Type Name | Cordless Stick Vacuum Cleaner |
| Item Weight | 2.7 Kilograms |
| Manufacture Year | 2025 |
| Manufacturer | Shark |
| Model Name | Shark Clean & Empty |
| Model Number | BU3521UKTSB |
| Number of Items | 1 |
| Number of Power Levels | 2 |
| Other Special Features of the Product | Auto-Empty Base, Anti-Allergen Complete Seal, Anti Hair Wrap, Auto-Adjusts to Floor Type, Charging Dock, Up to 40 Mins run-time |
| Portable | Yes |
| Power Source | Battery Powered |
| Recommended Uses For Product | Floor, Pet Hair |
| Runtime | 40 minutes |
| Style Name | 1 x Detect Technology & Motorised Tool |
| Surface Recommendation | Carpets, Hard Floors, Upholstory, in Car, All Floors |
| UPC | 622356329569 |
| Voltage | 240 Volts |
| Wattage | 240 watts |
S**.
Love this! Best hoover I have had.
Extremely easy to use and has made vacuuming a pleasure! My teenage daughter actually offers to use it 🤣. Love the fact it empties into the box instead of having to empty into a bin each time. Powerful suction and it picks cat hair up well. It rolls well into corners. It’s light to use the easy to take apart and use attachments. This was expensive but compared to others of similar price, I rate it higher by far. It has limited time without recharging. I do 3 rooms and the hall and it goes down to 3 bars (half ish).
H**K
Great vacuum to clean my 1 bed flat
I have used it for a month since the purchase. So far, can't complain! The suction is good and the battery life is sufficient to clean my flat (about 40sqm). The auto empty system as well as the standing dock has been super useful, keeping my vacuum to constantly be charged. Other functionality wise, it is a little basic, but still the whole package I think - auto/eco/power mode, light in front of the main head, battery level is shown as 4 blocks. The downside is, it is a little loud I feel like compared to the other vacuums I have used. The auto empty functionality can be a little loud as well, but then again it's only for a couple seconds and you can turn it off as well. Overall, for the price point, this is a great cleaner compared to the other knock off dyson/shark brands in amazon.
J**N
Light to lift, easy to charge and empty
Perfect, easy to lift. It charges in my cupboard and is always ready to use. Light to use, good for daily/weekly run around. Turns effortlessly to get in corners and awkward spots. Lifts fur from upholstery reasonably well with the attachments. Drawbacks: Suction a little lower than my old vacuum and sometimes it does not auto-empty and needs to be opened up by hand. The base unit takes a lot of dust before it needs emptying. The base unit is pretty straightforward to remove and empty. The vacuum comes with one filter in it, I would advise having a spare. They can be washed, but a spare is needed while the other one is drying.
B**M
Very good
Overall a good product & a suitable replacement for my elderly Dyson. The stand is very neat & fits nicely into the corner & isn't obtrusive, it's good that it self empties too. The accessories are really good & are an added bonus. The vacumn itself is very good, moving between surfaces with relative ease & the light is very good at highlighting darker areas where things can get missed. I'm not sure about battery life as it doesn't seem to last as long as I would like it to but it charges well & is being used as a daily tidy up rather than a whole house cleaner so not especially a problem for me.
H**R
Light, effective, convenient and fun!
OMG - I looooove this cordless vacuum! It is so effective for kitchen, cat-litter- crumbs, cat hair and general dirt. And because it’s always charged and emptied, I use it so much more regularly than my corded Shark vacuum. It’s really effective and has a great set of really useful tools for upholstery, dusting, and a whole host of others. The self empty is like a beautiful magic technology because I hated that job most of all. This little marvel will deal with your carpets, rugs and hard floors automatically, charging for the surfaces as you go. I have a corded Shark for our bedrooms which have less wear than our living/dining-room and I honestly think this little Shark is more powerful than the corded one. We have the same rugs all through and the ones in our living/dining-room are fully cleaned of cat hair compared to the bedrooms. It’s actually fun to use. Yes - actually fun to use. And I HATE any form of housework! Cannot recommend this product highly enough.
A**R
Shark clean and empty vacuum
Shark clean and empty vacuum is fantastic.I wish I had bought one years ago.its lightweight and suction is amazing and it empties itself.well worth the money.the design is great and you get different attachments.overall 10 out of 10
L**B
Shark Stick vacuum, self emptying.
This vacuum is fabulous, it great quality, it has a charging stand that the vacuum also empties itself. Very useful, it’s not too heavy for anyone with disabilities with lifting and their hands. Battery life is good, it does 3 to 4 rooms, the manoeuvrability is good round the furniture, it is cordless but you need to have a socket for the base. The attachments are of good quality and easy to fit. The value for money is very good for a Shark.
M**R
Best hoover by far
Couldn't wait to buy this hoover, especially as it has its own bin. Great, that the hoover knows what floor you are on and changes it's speeds. Looks lovely too and good quality.And a great price. So I bought another for upstairs.. great power too
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