Thank you for viewing. This is a listing for a home oxygen concentrator (Oxygen Generator). Operation has been confirmed, and it is working without any problems with power, display, and air flow. 【Product Overview】 ・Product Name: Home Oxygen Concentrator ・Model Number: JY-105W ・Manufacturing Year: April 2021 ・Rated Voltage: AC110V 60Hz ・Power Consumption: 150W ・Features continuous operation time, flow rate, and oxygen concentration display ・Supports both oxygen and atomizer ・Displays usage time count 【Condition】 This is a used item, so there are minor scratches and scuffs on the exterior due to normal use, but overall it is in relatively clean condition. The display panel and all buttons respond well. Please check the photos for detailed condition. 【Accessories】 ・Main unit ・Power cord ・Tubes (including unused and stored items, see photos) 【Shipping Method】 Rakuraku Mercari Delivery It will be carefully packed with bubble wrap and shipped in a recycled cardboard box. 【Notes】 ・Please determine whether it can be used for medical purposes at your own discretion. ・Please purchase only if you understand that this is a used item. ・Please refrain from purchasing if you are overly concerned about minor details. Instant purchase is OK. If you have any questions, please feel free to comment.