Notes on Use!
Press and hold for 3 seconds to turn on.
After powering on the machine is in low flow mode, pressing the power button again the concentrator will switch to high flow mode.
Must use 5V, 2A Plugs


Take Oxygen With You,Following Breath Overly Comfortable
No Water Added
One-Piece Boot
Rapid Oxygen Release
Compact And Convenient
Negative Oxygen Ion
Long Life Battery
Duration of Built-in Battery:4 Hours
Duration of External Battery:5 Hours
The FYY-01 keeps you going with a built-in battery that lasts up to 4 hours on a full charge. Need more time on the move? Simply connect the external battery for an additional 5 hours of use. That’s up to 9 hours of reliable oxygen support—perfect for travel or extended outings without worry.


Can be Carried on the Plane
Our equipment does not contain high-pressure oxygen tanks, which avoids the risk of pressure variations in the cabin, and according to the Federal AviationAdministration (FAA) regulations (14CFR Part 121 Section 121.574) in the case of oxygen concentrators that do not use compressed orliquid oxygen, but rather oxygen extracted directly from the air (like ours), are authorized for use on board the aircraft, without the need for a special certification, but of course we recommend that you check the requirements with the airline you are traveling with before you travel.
Unbound Fast Charging
Support Type-c Fast Charging | On-board Charging | Power Bank Charging


Portable&Lightweight
The weight of machine is 1.43lbs only.You can carry it effortlessly in one hand or wear it over your shoulder without feeling weighed down. Whether you're traveling, shopping, or taking a walk, it offers total freedom and comfort with every step.
Not Afraid of Air Pressure,Available at High Altitude
Hypoxia at high altitude may cause dizziness and nausea.Take FYY-01 with you to supplement oxygen in time,it will help you to relieve altitude reaction.


High Efficiency Oxygen Therapy
High Efficiency/Filter PM2.5

Accessories
Oxygen Concentrator(With Built-in Battery)*1
Shoulder Bag*1
Nasal Cannula*1
USB Cord*1
User Manual*1
External Battery(Optional)
Inverter(Optional)
FAQ
FYY-01 can be run on AC and also run on battery.
FYY-01 is continuous flow mode.
Our equipment does not contain high-pressure oxygen tanks, which avoids the risk of pressure variations in the cabin, and according to the Federal AviationAdministration (FAA) regulations (14CFR Part 121 Section 121.574) in the case of oxygen concentrators that do not use compressed orliquid oxygen, but rather oxygen extracted directly from the air (like ours), are authorized for use on board the aircraft, without the need for a special certification, but of course we recommend that you check the requirements with the airline you are traveling with before you travel.
It takes about 5-7 business days. More details in shipping policy.
More details please refer to our warranty policy.
We support 30 days return.More details refer to our return policy.
Any question?
If we still haven't answered your question, you can contact us below and we will get back to you as soon as possible.