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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
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Description
In Stock 3L/min Portable Oxygen Concentrator NT-03Get an Extra 4 Cell Battery with an Extended Use Time of up to 5H Get an Extra 8 Cell Battery with an Extended Use Time of up to 7H (Click here to get one or more extra batteries) US STOCK: Ships From California 3 5 Business Days Fast Shipping For US Address 5 7 Business Days For Canada Address We Do Not Deliver To PO Box Addresses. Three Different Charging OptionsAC Power Supply Home Office Hotel Indoor UseDC Power Supply Car UseExtra Battery Outdoor
Get an Extra 4 Cell Battery with an Extended Use Time of up to 5H
Get an Extra 8 Cell Battery with an Extended Use Time of up to 7H
US STOCK: Ships From California
3-5 Business Days Fast Shipping For US Address
5-7 Business Days For Canada Address
We Do Not Deliver To PO Box Addresses.
Three Different Charging Options
✅AC Power Supply - Home/Office/Hotel/Indoor Use
✅DC Power Supply- Car Use
✅Extra Battery- Outdoor Use
Product Features
Easy to Carry
The NT-03 weighs only 3.1 pounds and has overall dimensions of 9.25*3.94*5.55 (L*W*H) inches. It also comes with a shoulder bag for convenient carrying while you are out and about. The bag is designed with ergonomics in mind and has adjustable straps, which can be adjusted to fit your height and body type for a more comfortable carrying experience. This allows you to get supplemental oxygen whenever and wherever you need it.
Replaceable Battery
The battery of NT-03: (Click here to get one or more extra batteries)
Comes with the NT-03 portable oxygen concentrator
Battery Lasting: last for 1-3 hours
Standard battery pack capacity: 2500mAH 14.8V, the highest voltage is 16.8V
✅AC Power Supply - Home/Office/Hotel/Indoor Use
✅DC Power Supply- Car Use
✅Extra Battery- Outdoor Use
Product Features
Easy to Carry
The NT-03 weighs only 3.1 pounds and has overall dimensions of 9.25*3.94*5.55 (L*W*H) inches. It also comes with a shoulder bag for convenient carrying while you are out and about. The bag is designed with ergonomics in mind and has adjustable straps, which can be adjusted to fit your height and body type for a more comfortable carrying experience. This allows you to get supplemental oxygen whenever and wherever you need it.
Replaceable Battery
The NT-03 portable oxygen machine features a replaceable and rechargeable battery that frees you from the constraint of a power cable, and get supplemental oxygen while outdoors. With extra batteries, you can achieve an even longer use time. Charging the battery is also convenient, as you can set it separately without needing to connect it to the machine. This provides flexibility and freedom to your oxygen therapy regimen.
Easy to Operate
Easy to Operate
The NT-03 features a one-button operation, requiring no complicated settings. You can simply press the button to turn on the device and start using it. Additionally, the device utilizes UltraSense sensitive breathing detection technology, which can monitor the user's breathing status in real time and ensure that supplemental oxygen is delivered promptly when needed.
Free Setting of Running Time
Free Setting of Running Time
The NT-03's running time can be freely set, with four timing options available: 40 minutes, 60 minutes, 80 minutes, and 180 minutes. You can adjust the running time according to your needs.
The battery of NT-03: (Click here to get one or more extra batteries)
Comes with the NT-03 portable oxygen concentrator
Battery Lasting: last for 1-3 hours
Standard battery pack capacity: 2500mAH 14.8V, the highest voltage is 16.8V
Application:
1. Rejuvenate brain activity.
2. Oxygen is used for skin care.
3. Oxygen restores sub-health fatigue.
4. Reduce the harm of alcohol and cigarettes.
5. Softening and deodorizing.
6. Other related environmental and health information and products.
Specifications:
Model NT-03 :
Oxygen Flow: 3L/min stable flow (not adjustable)
Oxygen Concentration: stable 32.5±2.5% oxygen concentration
Oxygen production method: pressure swing adsorption separation method (PSA method)
Noise: ≤45 dB(A)
Item Weight: 3.1 Pounds (1.4KG)
Package Size: 8.07*3.75*5.11 inches (20.5*9.5*13cm)
Work rate: 30W
Input voltage: DC12V~16. 8V
Working time: 40 minutes, 60 minutes, 80 minutes, 180 minutes (adjustable)
NT-03 Components: (Click Here to Get NT-03 Accessories)
1X Portable oxygen concentrator
1X AC Adaptor
1X 2500 mAh battery
1X Car converter/ car adapter
1X Instruction manual (Check the online manual here)
1X Diagonal shoulder bag
1X Oxygen tube & nasal cannula
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
4.1 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Excellent quality, just like the picture
Size: 10.5, Color: White/White
Looks just like the picture.
My bf is a size 10.5 and we got just that and its a perfect fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Nice shoes
Size: 12, Color: British Tan/Ivory
Nice, good looking shoes. My husband says that they are very comfortable. I would recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
★★★★★ 5
Comfort Meets Performance — Nike Men’s Journey Run Road Running Shoes
Size: 10.5, Color: Black/Summit White/Anthracite/Cyber
I picked up the Nike Men’s Journey Run Road Running Shoes on a whim, and they turned out to be a great surprise. From the first wear, they felt comfortable and lightweight, with cushioning that makes walking and running on pavement much easier on the feet. They don’t feel overly stiff or bulky, which I appreciate for everyday use.
What I like most is how versatile they are. I’ve worn them for short runs, gym workouts, and even casual outings, and they’ve held up well in all situations. The fit is true to size, and the upper feels breathable enough to stay comfortable throughout the day. They also have a clean, simple look that pairs well with both athletic and casual clothes.
Traction has been solid on roads and sidewalks, and I haven’t noticed any slipping, even on slightly wet surfaces. While they may not be designed for competitive racing, they’re perfect for daily training, walking, or anyone looking for a reliable, comfortable running shoe.
Overall, the Nike Journey Run shoes offer good comfort, dependable performance, and everyday style. A solid choice if you want a no-nonsense running shoe that you can wear beyond just your workouts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
★★★★★ 5
Versatile sneakers. The upper makes the difference.
Size: 11, Color: Black/Smoke Grey/Medium Ash
Very good quality shoes for this price.
My impressions:
1. The Flyknit upper feels very soft and comfortable. I don't get the rough, scratchy feel of some lower-quality options. It also disperses heat very well.
2. The midsole is firm, but not overly hard. I find it well-balanced, as it has good shock absorption while still being soft enough to cushion the soles of my feet.
3. They're versatile. For me, especially the black ones with the dark gray sole, they work for casual wear, going to the gym, walking, and short, light runs.
4. I consider them very decent shoes for walking and short runs under 5k.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Offer lots of support and traction- perfect gym shoes
So comfortable- they offer a lot of support and I can tell they will last for a long time (and I’m hard on my gym shoes!). I’m actually a female but I sized down and they fit perfectly. I found them on sale and definitely recommend them as they are well worth the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2026
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