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Description
oxygensolve 93% ± 3% Home Oxygen Concentrator With 0.6~5L/Min ZH-A51US STOCK: 3 5 Business Delivery Days For US Address (ship to US address only) Specifications: Oxygen concentrating: 93%3%Oxygen flow: 0. 6L 5L Min continuous flowInput power: 400WVoltage: AC110V, 60HzOutlet pressure: 40kPaWorking noise: 54dB(A)Alarm noise level: 85dB(A)Size: 470mm(L)*280mm(W)*550mm(H)Net weight: 24kgElectrical requirements: B type, Class equipmentWorking environment requirement: No corrosive gas and strong magnetic field
US STOCK: 3-5 Business Delivery Days For US Address (ship to US address only)
Specifications:Oxygen concentrating: 93%±3%
Oxygen flow: 0.6L-5L/Min continuous flow
Input power: ≤400W
Voltage: AC110V, 60Hz
Outlet pressure: 40kPa
Working noise: ≤54dB(A)
Alarm noise level: ≤85dB(A)
Size: 470mm(L)*280mm(W)*550mm(H)
Net weight: 24kg
Electrical requirements: B type, Class Ⅱ equipment
Working environment requirement: No corrosive gas and strong magnetic field around
Environmental condition: 5℃~40℃
Relative humidity: ≤80%
Atmospheric pressure: 86kpa~106kpa
ATTENTION: Beyond above mentioned condition may affect the product‘s working. If the temperature is below 5℃, please do not use it until putting it at room temperature over 4H
Features:
The oxygen concentrator is used for improving the oxygen supply system in our body, attaining a complement of oxygen and health. It could be beneficial for middle-aged and elderly people, who are more prone to illness, pregnant women, students and those who have Physiological hypoxia. Also benefit for releasing from hard physical labor or brain work, good for recovery.
1. Full plastic cabinet. Safe and reliable.
2. With the TIME memory function.
3. With accumulated time function to show total working time from LCD.
4. With power off timing function. Ease to use.
5. With a safety valve for overpressure in our humidification bottle's upper
6. With alarm function for power loss.
7. With alarm function for Higher/Lower voltage system circulation.
8. With alarm function for lower oxygen purity.
9. The heat protector is in a compressor. To ensure compressor and oxygen concentrator are safe.
Package:
Nasal oxygen cannula*1
Operation manual*1
Second level inner filtering*1
First level filtering*1
Second level outer filtering*1
Nebulizer Cup Assy(Optional)*1
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 2466 reviews
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Product Reviews
★★★★★ 5
Nice
Size: 9, Color: Black
Very comfortable. Worth the money
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Comfortable
Size: 7, Color: Black
Super comfy and stylish, I’ve never worn these styles of loafers however I’m glad I purchased these.
I’ve purchased another pair in a different color.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
The "Lazy Professional" Look: Is Hands-Free Luxury Actually Real?
Size: 9.5, Color: Black Napa Leather
Living down here in Florida, my footwear needs are pretty specific. It’s hot, it’s humid, and I spent half my life rushing from the car into work or a meeting. I’ve reached that age where I value efficiency just as much as style—maybe more. I’ve been eyeing the Marc Joseph New York Hands-Free Slip-on Penny Loafers for a while, and after putting them through the wringer, here is the honest truth from someone who just wants to look sharp without the hassle.
The "Just Step-In" Reality
Look, the big selling point here is the "Hands-Free" tech. We’ve all seen the commercials for those athletic slip-ins, but finding that in a legitimate leather penny loafer is a different game. Does it work? Yes, surprisingly well. The heel counter is firm enough that it doesn’t collapse when you slide your foot in, but it doesn’t feel like a piece of plastic digging into your Achilles once you’re in. For those of us who are tired of bending over or hunting for a shoehorn every morning, this is a genuine quality-of-life upgrade.
The Florida Factor: Comfort and Style
The leather is actual calfskin (on most models), which is a must for the Florida heat. Synthetic shoes turn into a sauna within ten minutes, but these breathe reasonably well. The aesthetic is classic—it’s a "professor" shoe through and through. You can wear them with chinos and a blazer for work or throw them on with some nice jeans for a weekend lunch.
Inside, they’ve got a gel heel insert and a padded footbed. It’s not quite "walking on a cloud"—let’s not over-hype it—but it’s a massive step up from the hard, flat soles of traditional dress loafers. I’ve spent four hours on my feet lecturing, and my arches didn’t hate me by the end of the day.
The Sizing Gamble
Here’s where you need to be careful. The consensus from other guys (and my own experience) is that the sizing is a bit of a coin toss. They tend to run a little large and sometimes wide. If you have narrow feet, you might find the sides "gaping" or flaring out when you walk, which kills the sleek look. I’d recommend ordering a half-size down if you’re usually between sizes.
The Breakdown
The Pros:
True Hands-Free: You can actually put these on while holding a coffee and a briefcase. No hands needed.
Legit Materials: The calf leather feels premium and smells like the real deal.
Versatility: Perfectly bridges the gap between a "car shoe" and a formal loafer.
Comfort: The gel insert makes a noticeable difference for long-duration wear.
The Cons:
Sizing Inconsistency: They can run wide, leading to some "heel slip" if you don't get the perfect fit.
Break-in Period: The heel is stiff by design (to allow for the slip-on feature), so expect a day or two of minor stiffness.
Price Point: They aren't cheap, though often on sale.
Value for Money
Are they worth it? If you’re comparing them to high-end Italian brands that cost $500, these are an absolute steal. They look 90% as good for a fraction of the price. However, if you're used to $60 mall shoes, the jump to $150+ might feel steep until you realize you’re paying for the convenience of never having to touch your shoes to put them on. For a daily driver in a professional setting, the value is definitely there.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Step In Look Good
Size: 11.5, Color: Cognac Napa Leather
I am wearing these shoes as I write this review, and they look and feel great. I have a bit of a disability with drop foot on the right leg and bilateral neuropathy and have been wearing step in shoes for about 10 years. But the first company that introduced leather dress and casual shoes stopped making them and now only makes sport and casual shoes. So I have been searching for some that meet my need for shoes like this and this company has given me three pairs, so far. Easy to get into, comfortable to wear, and good looking. And they take polish very well, too. (Remember how to do that?). We may buy another pair or two in different styles as well.
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Reviewed in the United States on April 26, 2026
★★★★★ 4
Runs tight. Skinny and smaller than other brands.
Size: 8.5, Color: Brown
Comfy and lots of support. Cushiony. Beware: the brown I ordered runs small. Tighter than other brands.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
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