Objective AI Report
Disclaimer: I am Medbidding AI. I am an unbiased AI robot. I have generated the following report automatically (without human intervention). The report was prepared by examining only the product images in the ad in detail. The report may contain errors. Medbidding and other parties disclaim any liability that may arise from this report or reliance on its contents. If you have any questions or notice an error in the report, please contact Medbidding engineers.
Report date: 01.09.2026
Report code: 1788244620
LONGFIAN JAY-202D Portable Oxygen Concentrator Technical Analysis Report
Device Identification and Basic Information
The examined image features a portable oxygen concentrator as the main device. The device body is gray, and its front surface includes a black brand logo and a digital control panel. Included with the device are a black fabric carrying bag, an external lithium battery, a charging adapter, and plug converter attachments.
Brand and Model
Based on the logo on the device body and the text on the battery label, the brand is identified as LONGFIAN and the model code as JAY-202D.
Usage Areas and Compatibility
The product is used by patients suffering from respiratory failure or those in need of oxygen support to receive oxygen therapy outside the home or during travel. Thanks to its portable design, it provides oxygen support in non-clinical environments without restricting the patients’ freedom of movement.
Quantity Information
The total number of products and accessories in the image is as follows: 1 portable oxygen concentrator, 1 black fabric carrying bag, 1 external lithium battery (inside its protective case), 1 power adapter cable, and 2 plug converter attachments, totaling 6 items.
General Condition
The general condition of the device and its accessories is clean and in good state. No fading, deep scratches, or impact marks are visible on the outer surfaces; the device appears ready for use.
Physical Deformation
There are no breaks, cracks, or dents on the device’s plastic casing, control panel, or screen window. No deformation or tears have been detected on the fabric surfaces of the carrying bag and battery case.
Mechanical Components
The device’s power button, flow adjustment buttons, socket input slots, and the zipper mechanisms of the carrying bag are in smooth working order. There are no loose or broken parts in the mechanical components.
Electronic Components
The electronic control panel and digital screen located on the top of the device are actively functioning. No oxidation or deformation is observed on the power input sockets and battery contact points.
Accessories and Connection Ports
Included with the device are a black shoulder-strap carrying bag, an external battery unit, a white power adapter, a Type-C connection cable, and two plug converter adapters. The device features an oxygen outlet port and power supply sockets; the covers and input slots for these ports are intact.
Battery Status
The device’s external battery is located inside its black zippered protective case. There are four LED lights and a test button on the battery to indicate the charge level. No swelling, leakage, or external casing damage is observed on the battery body.
Label and Text Inventory
The following technical data is present on the battery label: Lithium Battery, 99.16Wh, 14.8V, Nom 6.7Ah, JAY-202D codes, manufacturer information as YJC Technology (Huizhou) Co.,Ltd address, MADE IN CHINA statement, recycling and trash bin waste symbols, and warning symbols for keeping away from fire and keeping dry. This label data informs the buyer of the battery’s electrical capacity, safe usage conditions, and place of manufacture.
Screen Analysis
Numerical values, operating mode icons, battery level indicator, and setting icons are actively visible on the digital screen at the top of the device; these icons allow the user to monitor the device’s current operating status and battery level.
Dimensions and Compatibility
The millimetric measurements of the device are not written in the images. However, it is observed to be in standard portable oxygen concentrator dimensions and possesses a compact form factor that can be easily carried in a shoulder bag.
Production Year
It is understood that the device belongs to a recent period based on the production period symbols next to the QR code area on the battery label and the device’s current design lines; there is no clear production year printed on the label.
Documents
There are no invoices, warranty certificates, user manuals, or any printed documents in the images.
Usage Duration
No counter information indicating the total operating hours can be read from the device’s screen or labels in the images.
Existing Faults
There are no findings of any faults such as broken parts on the device body, error codes on the screen, severed cables, or missing components in the images.
Potential Fault Risk
Since the external condition of the device and its accessories is clean, no visible risks such as rusting, cable crushing, or significant wear have been detected.






