Prescription Oxygen Therapy At Your Side
Fun-worx Portable Oxygen Concentrators pull in the air around you, creating the concentrated oxygen your doctor has prescribed for you.
Our Collections

24/7 Customer Service
Any questions or concerns you have, 24/7. Support@q-ka.com

Free U.S Shipping
Delivery in 5 to 7 business day

30 Days return
Refunds will be back to you

Our Warranty
1 Year for machine, 6 month for battery
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Frequently Asked Questions
Oxygen concentrators filter nitrogen from air to deliver 80–95% pure oxygen for users.
Powered by battery, wall outlet, or car charger, portable models weigh 3–20 lbs (1–9 kg) (weight varies by battery).
Heavier units roll on a cart; lightweight ones are hands-free—way more convenient than traditional tanks.
Portable oxygen concentrators weigh 3–10 lbs (1–5kg) (varies by battery). Heavier models roll on a cart; lightweight ones—like Inogen—are hands-free to wear.
Perfect for active lifestyles, they let you stick to prescribed oxygen therapy on the go.
Consult a healthcare professional before use.
Power supply by AC adapter
Car Chargeable
Mobile power charging


