At 5 pounds this portable oxygen concentrator is light enough for my elderly mother to carry. The continuous flow at 2 liters per minute meets her prescription exactly. The 93 percent oxygen purity is displayed on the easy to read LED screen. The 6700mAh battery lasts 2 hours for her daily walk. The backpack is comfortable on her shoulders. The button controls are large and simple. The noise level does not frighten her. Finally a POC she can operate without my help. Highly recommended for seniors.

I use this portable oxygen concentrator 16 hours every day. The continuous flow at 2 liters per minute runs on AC power at home and battery when out. The 93 percent oxygen purity has never dropped below 92 percent on my meter. The 5 pound mini size moves easily between rooms. The 6700mAh battery still holds full charge after 4 months. The LED display shows cumulative runtime. The one year warranty gives me confidence. Built for daily heavy use.

Pulmonary fibrosis requires consistent high purity oxygen. This portable oxygen concentrator delivers 93 percent oxygen concentration at 3 liter continuous flow. The 5 pound weight is easy to carry during my short walks. The 6700mAh battery gives me 1.5 hours of freedom. The continuous flow is gentle on my fragile lungs. The backpack keeps the unit secure. The noise level at 60 decibels does not aggravate my coughing. This POC improved my quality of life significantly.

The nozzle fitting on top of this portable oxygen concentrator is clearly marked. The nasal cannula tubing clicks in securely without tools. The continuous flow at 4 liters per minute starts immediately. The 93 percent oxygen concentration is felt within seconds. The 5 pound weight makes it easy to position. The 6700mAh battery status is visible on the LED display. Setup took less than one minute. Very beginner friendly design.

I bought an extra 6700mAh battery for this portable oxygen concentrator. Total 2 hours at 5 liter continuous flow or 4 hours at 2 liters. The 5 pound mini size packed easily in my camping gear. The 93 percent oxygen purity worked at 3000 feet elevation. The continuous flow did not wake my tent mates. The car DC charger recharged batteries during the drive home. Camping is possible again with this O2 making machine.

I returned to work needing continuous oxygen. This portable oxygen concentrator runs at 60 decibels which blends into office background noise. The continuous flow at 2 liters per minute is barely noticeable to my coworkers. The 5 pound weight fits under my desk. The 6700mAh battery lasts 2 hours of meetings away from my desk. The 93 percent oxygen purity keeps me focused. The backpack looks professional. Finally I can work without embarrassment.

I use this portable oxygen concentrator on my stationary bike. The continuous flow at 5 liters per minute keeps my oxygen saturation high during cardio. The 5 pound mini size sits on the bike console securely. The 6700mAh battery lasts my entire 45 minute workout at maximum flow. The 93 percent oxygen purity prevents my post exercise fatigue. The LED display is easy to read while pedaling. The backpack stores the unit when not in use. Highly recommend for home gym users.

I had a question about my portable oxygen concentrator and customer service responded within hours. The continuous flow at 3 liters per minute works perfectly. The 93 percent oxygen concentration is backed by the one year warranty. The 5 pound weight is exactly as advertised. The 6700mAh battery performs well. The 7 day money back guarantee and 30 day free return made my purchase risk free. Very professional company.

The 6700mAh rechargeable lithium battery has held up well after 3 months of daily charging. This portable oxygen concentrator gives me exactly 1 hour at 5 liter continuous flow. At 2 liters per minute I get 2 hours as promised. The battery charges fully in about 3 hours on AC power. The LED display shows accurate battery percentage. The car DC charger also charges the battery while driving. Reliable power for my O2 making machine.

We drive to visit grandchildren 6 hours away. This portable oxygen concentrator plugs into the car DC 12V cigarette port for unlimited runtime. The continuous flow at 4 liters per minute keeps me comfortable for the entire trip. The 5 pound mini size sits on the floor between my feet. The 93 percent oxygen purity never drops. The LED display is visible in daylight. The noise level does not bother other passengers. Road trips are possible again.

The LED display on this portable oxygen concentrator is bright with large numbers. The button controls click audibly when pressed. The continuous flow at 3 liters per minute starts immediately after power on. The 93 percent oxygen concentration is displayed in big digits. The 5 pound weight is easy for arthritic hands to lift. The backpack straps are simple to adjust. My 85 year old father uses this independently every day.

The 9 by 7.5 by 4.3 inch dimensions fit under airplane seats easily. This portable oxygen concentrator is FAA compliant for flight travel. The continuous flow at 2 liters per minute lasted my 2 hour flight on the 6700mAh battery. The 5 pound weight was easy to carry through security. TSA had no issues with the lithium battery. The 93 percent oxygen purity kept me comfortable at cruising altitude. Excellent travel companion.

My exercise induced asthma requires oxygen during workouts. This portable oxygen concentrator delivers continuous flow at 4 liters per minute while I walk on the treadmill. The 93 percent oxygen purity prevents my wheezing. The 5 pound weight sits on the machine console. The 6700mAh battery lasts my entire gym session. The LED display shows flow rate clearly. The three working modes AC DC and car give me options. Great for active asthma patients.

I avoided malls because walking tired me out. This portable oxygen concentrator fits in the shopping cart. The continuous flow at 3 liters per minute gives me 1.5 hours of runtime on the 6700mAh battery. The 5 pound weight is easy to lift in and out of the car. The backpack looks like a regular purse. The 93 percent oxygen purity keeps my energy up for hours of shopping. Highly recommend for retail therapy.

Many portable units claim 5 liters but deliver less. This portable oxygen concentrator truly provides 5 liter continuous flow. The 93 percent oxygen concentration holds steady at maximum output. The 6700mAh battery lasts about 1 hour which matches specifications. The 5 pound mini size handles the high flow without overheating. The noise level at 60 decibels is reasonable for this power. Very impressed with the performance.

My portable oxygen concentrator arrived in 3 days. The continuous flow at 2 liters per minute worked immediately out of the box. The 6700mAh battery came partially charged. The 93 percent oxygen purity was confirmed by the built in display. The 5 pound weight was accurate. The included backpack and nasal cannula were high quality. The 7 day money back guarantee gave me confidence. Excellent purchasing experience.

The exterior of this portable oxygen concentrator wipes clean easily. The air intake vents are well protected from dust. The continuous flow at 5 liters per minute has been stable for 3 months. The 93 percent oxygen concentration tested at 94 percent on my meter. The 5 pound mini size has no small crevices that trap dirt. The LED display still looks new. Low maintenance and high reliability.

I spend hours in my garden every week. This portable oxygen concentrator hangs on my back with the backpack. The continuous flow at 4 liters per minute keeps my oxygen saturation above 92 percent. The 5 pound weight does not restrict my movement. The 6700mAh battery lasts my entire morning of weeding. The 93 percent oxygen purity prevents my shortness of breath. Finally I can enjoy gardening again.

The included backpack is padded and adjustable. This portable oxygen concentrator weighs only 5 pounds so the backpack feels light. The continuous flow at 3 liters per minute works while walking. The 6700mAh battery fits in a side pocket. The backpack looks like a normal daypack not medical equipment. The 93 percent oxygen purity is always there. I forget I am carrying an O2 making machine.

I use this portable oxygen concentrator plugged into AC wall power at home. The unit charges the 6700mAh battery while delivering continuous flow at 5 liters per minute. The 93 percent oxygen concentration never wavers. When I unplug to go outside the battery takes over seamlessly. The 5 pound weight makes the transition easy. The LED display shows battery status clearly. Very smart design.

Other portable oxygen concentrators with 5 liter continuous flow cost twice as much. This unit delivers the same 93 percent oxygen purity at a fair price. The 6700mAh battery performance matches specifications. The 5 pound mini size is equally portable. The LED display and button controls are intuitive. The three working modes AC DC and car add versatility. Very happy with this purchase.

After my heart surgery I needed portable oxygen for 6 weeks. This portable oxygen concentrator delivered continuous flow at 2 liters per minute with 93 percent purity. The 5 pound weight was easy to carry to physical therapy. The 6700mAh battery lasted through my appointments. The backpack kept my hands free for walking with a cane. The one year warranty covered my entire recovery. Highly recommend.

I have dropped this portable oxygen concentrator twice on concrete. The outer casing protected the internal components perfectly. The continuous flow at 4 liters per minute still works at 93 percent purity. The 5 pound weight survived the impacts. The 6700mAh battery holds charge normally. The LED display has no cracks. This oxygenerator is built to last for daily use.

I keep this portable oxygen concentrator as an emergency backup for power outages. The 5 pound mini size stores easily in my closet. The continuous flow at 5 liters per minute matches my home unit. The 6700mAh battery gives me 1 hour of runtime during outages. The car DC power supply lets me charge from my vehicle. The 93 percent oxygen concentration is reliable. Smart investment for security.

At only 5 pounds this portable oxygen concentrator is lighter than my previous unit by 8 pounds. The continuous flow at 3 liters per minute gives me the same therapy. The 6700mAh battery lasts 1.5 hours which covers my grocery shopping. The included backpack distributes weight comfortably. The 93 percent oxygen purity keeps my energy up. I am more active now than in years.

My BIPAP machine requires continuous oxygen flow at 2 liters per minute. This portable oxygen concentrator connects easily with a standard adapter. The 93 percent oxygen concentration stays stable all night. The 5 pound weight means I can move it between bedroom and living room. The LED display dims automatically in darkness. The noise level does not disturb my sleep. Perfect for sleep apnea patients needing supplemental oxygen.