TOP Powerful Oxygen Concentrator Portable Oxygen Generator 1-9 Liters Adjustable O2 Machine Low Noise With Humidification Water Tank DEDAKJ
SKU: 16882761282

TOP Powerful Oxygen Concentrator Portable Oxygen Generator 1-9 Liters Adjustable O2 Machine Low Noise With Humidification Water Tank DEDAKJ

Sale price$899.51 Regular price$999.45
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Description

TOP Powerful Oxygen Concentrator Portable Oxygen Generator 1-9 Liters Adjustable O2 Machine Low Noise With Humidification Water Tank DEDAKJBuy now (shipping in 3 4 days), local warehouses in Mexico, the US and the EU. Why Choose Our RESPIREASY Portable Oxygen Concentrator? Ultra Light & Pocket Sized: At just 2. 25kg (4. 96 lbs) lighter than 4 apples it fits easily in your backpack or carry on bag, so you can move freely without feeling weighed down. Airline Approved: The built in battery (under 100Wh) meets IATA standards, so you can take it on planes, trains, and road trips. 96% High

Buy now (shipping in 3-4 days), local warehouses in Mexico, the US and the EU. 

 Why Choose Our RESPIREASY Portable Oxygen Concentrator?

  1. Ultra-Light & Pocket-Sized: At just 2.25kg (4.96 lbs) — lighter than 4 apples — it fits easily in your backpack or carry-on bag, so you can move freely without feeling weighed down.
  2. Airline-Approved: The built-in battery (under 100Wh) meets IATA standards, so you can take it on planes, trains, and road trips.
  3. 96% High-Purity Oxygen: Powered by premium imported molecular sieve, it delivers medical-grade oxygen consistently across all 1-9 flow settings.
  4. Pulse Dose Technology: Smartly delivers oxygen only when you inhale, boosting efficiency by 3x vs. continuous flow models, and extending battery life.
  5. 5800m Altitude-Ready: Auto-adjusts to high altitudes, perfect for mountain trips, hiking, or living in high-elevation areas to fight altitude sickness.

Key Features Built for Real Life

  • Built-In Humidification SystemDry oxygen causes nasal irritation? Our humidification technology adds gentle moisture to every breath, preventing dryness, nosebleeds, and discomfort during long sessions.
  • 4.5" Touchscreen DisplayLarge, intuitive touchscreen lets you adjust settings, track oxygen levels, and set timers with a tap — easy for seniors and first-time users.
  • Multi-Power Support
    Built-in rechargeable battery (up to 4.5 hours of continuous use)
    Compatible with car chargers & home AC power
    No panic during power outages or outdoor adventures.
  • Whisper-Quiet Operation (≤40dB)Runs as quietly as a library whisper. No loud hum to disrupt your sleep, work, or conversations.
  • 24/7 Safety MonitoringSmart alarms for low battery, high temperature, pressure issues, and oxygen purity drops — keeping you protected every second.

RESPIREASY REC-9 can solve your most challenging oxygen problems.

Common Problems Our Solution
Bulky home oxygen concentrators restrict your movement. Ultra-portable design lets you take oxygen anywhere.
No stable oxygen on the go Multi-power options + long battery life keep you covered.
Dry oxygen irritated nasal passages Built-in humidifier delivers soft, comfortable breaths.
Altitude sickness on trips Auto-adjusting mode works up to 5800m, so you stay energized.

 

Who Is This For?

  • Elderly people who need oxygen therapy
  • Travelers exploring high-altitude areas, extreme sports enthusiasts, staff, outdoor hikers, and seniors requiring oxygen therapy.
  • Outdoor sports enthusiasts (hikers, campers, skiers, extreme sports enthusiasts, and elderly people who need supplemental oxygen)
  • People recovering from illness or surgery
  • Anyone who values freedom, comfort, and a reliable oxygen supply

REC-9 Portable Small Oxygen Machine Product Description:

1. High-end RESPRIREASY-DEDAKJ Portable Oxygen Concentrator REC1-9L Adjustable Oxygen Concentrator Mini Oxygen Concentrator provides industry-leading pulse dosing function for efficient oxygen delivery, and can switch between pulse or fixed frequency modes at will. Portable oxygen concentrator, suitable for travel, cycling, mountaineering, subway, ship, etc.
2. REC adjustable oxygen concentrator uses: home oxygen therapy, outdoor portable, car charging, plateau travel.
3. REC is the POC with the most pulse doses on the market. O2 uses energy-saving intelligent technology and accesses the DNA technology platform.
4. The battery life is up to 4.5 hours, equipped with AC and DC charging power supplies, users can enjoy continuous and pulse flow oxygen therapy.

Technical Specifications of Portable Lightweight Oxygen Concentrator REC:

1. Model: Portable oxygen concentrator REC-9 adjustable
2. Application scenarios: mountaineering, high-speed rail, car, travel, business trip, high altitude and other environments
3. Product cumulative dimensions length * width * height: 178mm * 82mm * 211mm (7.00 X 3.22 X 8.30 inches)
4. Product weight: 2.25Kg ± 0.1Kg (including battery); (4.96 pounds)
5. User page: 3.5-inch color touch LCD screen
6. Operating noise: ≦45dB (A)
7. Oxygen concentration 93% ± 3%
8. Respiratory rate: 10-40 times / minute
9. Maximum outlet pressure: 140KPa ± 20%
10. AC power supply: AC100-240V 50/60 Hz 100V A
11. Built-in battery: 6700 mAh, 14.4V DC 8A Max
12. Battery life: up to 4.5 hours (1 gear operation)

Portable Mini Oxygen Generator Package Content:

1, Main oxygen concentrator 1 unit
2, Rechargeable lithium battery 1 unit
3, Portable backpack 1 unit
4, AC adapter (with power cord) 1 unit
5, Battery power cord 1 unit
6, Car charger 1 unit
7, Nasal oxygen cannula 1 unit
8, Inlet filter 1 unit
9, 1-year quality warranty

Peace of Mind Purchase:

  • 1-Year Manufacturer Warranty
  • 7-Day Money-Back Guarantee
  • 30-Day Free Return and Replace

User Manual(CLICK &CHECK)

《Instruction User Manual of Portable Oxygen Concentrator REC》

 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 16882761282

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4.5 ★★★★★
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Verified Purchase
Hemet Michael
Lowell, US
★★★★★ 5
Good value.
Color: Dark
Well built, looks good, and the material used are ok.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
I
Verified Purchase
ibuy2much
Massapequa, US
★★★★★ 4
Nice office chair!
Color: Dark
This is a nice office chair. All of the features work as stated. I would say the seat is slightly more firm than I prefer, but comfort is subjective. The pleather is soft and I like that the arm rests fold out of the way.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
H
HateToRegister
San Leandro, US
★★★★★ 5
This Marsail Executive Office Chair Is Excellent For A Comfortable And Polished Desk Setup
Color: Dark
This Marsail executive office chair is excellent, and it brings together comfort, support and a clean professional look in a very practical way. The PU leather has a smooth, polished presence that suits a desk chair well without looking overly bulky. I appreciate that the design includes flip-up armrests, a height-adjustable seat, swivel movement and rolling mobility in one complete chair. The cushioning gives the chair a substantial seated feel, while the back design adds support without making the chair look heavy. It is an office chair that feels thoughtfully built for daily desk work, focused tasks and general seated comfort. The chair arrived securely protected and in very good condition, with the main parts kept in place well through transit. The PU leather surfaces looked clean, smooth and free from distracting marks when unpacked. The base, wheels, armrests, backrest and hardware all appeared properly finished and ready for assembly. Nothing about the chair parts looked loose, flimsy or poorly handled when it arrived. The included components were organized. The appearance of this chair is one of its strongest qualities because it has a dark, sleek and professional style. The chair fabric gives it a refined executive look, while the breathable mesh center keeps the backrest from appearing too solid or oversized. The flip-up armrests blend into the design nicely and add a cleaner profile when raised. The chair has a balanced shape, with a supportive back, plush seat and wide base that all work together visually. It looks modern without being too flashy, which makes it easy to place with different desks and work areas. Functionality is where this chair becomes especially practical because it is easy to put together and simple to adjust. The height adjustment works well for getting the seat into a comfortable position at a desk. The swivel and rolling movement make it easy to shift, turn and reach without the chair feeling stiff. The reclining range and gentle rocking function add a useful option for leaning back during breaks. The flip-up armrests are especially convenient because they allow the chair to tuck under a desk more easily and create extra freedom of movement when needed. The value is strong because this chair offers several useful features in one well-rounded design. The thicker cushioning, contoured support, PU leather surface, breathable backrest, reclining function and flip-up armrests all add to its usefulness. The sturdy base and stated 300-pound support rating also give it a more dependable feel than a basic desk chair. It provides the comfort expected from an executive chair while still offering space-saving details that make it practical. For the features, comfort and overall build, it delivers a very complete office seating option. I highly recommend this Marsail executive office chair for anyone wanting a comfortable, polished and functional desk chair. It is excellent, easy to put together and built with enough adjustability to support different work habits. The combination of plush cushioning, ergonomic shaping, smooth movement and flip-up armrests makes it especially useful for a home office or workspace. I also like that it has a professional look without sacrificing everyday convenience. It is a strong choice for dependable seating that looks good, works well and offers solid comfort.
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Reviewed in the United States on May 5, 2026
C
Cart Curator
Louisville, US
★★★★★ 5
Comfortable for daily use!
Color: Dark, Color: Dark
After using this chair for work and general desk time, I think it does a nice job balancing comfort, adjustability, and overall build quality without feeling overly bulky or cheap. It feels designed for people who spend long stretches at a desk and want something supportive but still comfortable enough to relax in occasionally. Assembly was straightforward. The instructions were clear, the hardware was organized well, and all the holes lined up properly during setup. I put it together by myself in around 20 minutes without needing extra tools. Once assembled, the chair immediately felt sturdy and stable rather than wobbly. The overall quality is solid for this price range. The PU leather has a soft feel and doesn’t have the stiff plastic-like texture some office chairs use. The stitching looks clean, the armrests feel secure, and the rolling base moves smoothly across the floor. The chair also feels durable overall, especially around the frame and base where cheaper chairs sometimes feel weak or shaky after a few weeks of use. It's very comfortable. The seat cushion is thick and supportive without feeling overly hard, and it stays comfortable during long work sessions. I’ve spent multiple hours at a time sitting in it without constantly adjusting positions or feeling pressure points. The mesh section in the backrest also helps airflow a bit, which keeps it from feeling too hot during extended use. The lumbar support is great. The backrest naturally follows the curve of your spine and provides good lower back support while still feeling relaxed enough for casual sitting. I also liked the higher back design since it supports the upper back and shoulders well during longer periods at the desk. The flip-up armrests ended up being more useful than I expected. They make it easy to slide the chair under the desk when not in use, and they also give more room if you like sitting cross-legged occasionally. Solid chair overally. It has a good mix of comfort, support, ease of use, and practical features without feeling overpriced.
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Reviewed in the United States on May 26, 2026
T
theman
Houston, US
★★★★★ 4
Comfortable, easy to assemble, but no adjustable armrests
Color: Dark, Color: Dark
The Marsail Executive Office Chair Ergonomic Desk Chair with Flip-up Armrests PU Leather was an easy to assemble chair; I was done within 15 minutes with the included tool. Extra screws were included which was nice as the main pack had broken open and I couldn't find one of the primary screws in the larger box (my guess is I probably tossed it on accident with the packaging material) but had the backup so all was well. The instructions were well written and clear. I've now had the chair in my office for over a week. For context; I work from home and also am a PC gamer so I spend a sizeable portion of my time at my desk in the chair. I also live in the southeast US and its April when I am writing this review. With that said; its been in the 70s/80s regularly so feel like I can comment fairly on its performance in warmer temps; though I'll have to try and remember to comeback and update it for the summer season when AC is on full blast and humidity is higher (and the inevitable "swamp butt" sets in). In the first week I've found the chair to be comfortable to sit in. It is wide enough and the arm rests to the side enough that I can sort of lean left and right without much trouble. I like this wider seat and armrests compared to chairs with more narrow span as I tend to shift and move a lot while sitting. The PU leather material feels nice against my clothes and does "grip" the clothing which helps with my tendency to want to slide forward when sitting. At first I thought the "grip" would be annoying but I sort of like it after a week of using the chair. The cushion material is comfortable for sitting and rebounds well after I've been sitting in it for a long period of time. The armrests feature the same sort of cushion and PU leather material which makes them comfortable to sit back and lean on. For the price I think this is a solid office chair and a comfortable option. Longevity will only be tested over time so I'll see if I can remember to update this review over time. I am happy with the chair in my office. A few downsides about the chair that I have: - The wheels are very stiff and don't roll as smoothly as I'd like. They stay put when I am sitting at the desk but when I need to push away they take a bit of force. - The arm rests can't be adjusted for height. They are one height and can only be moved out of the way completely. For someone like who likes to lean or shift sides this is less than ideal as I'd normally make adjustments to the armrests. With that said it is nice to be able to move them out of the way completely when I don't need them. - Lumbar support could be better. I will be using additional support in the chair for my back.
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Reviewed in the United States on April 13, 2026

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