I am selling this item because I purchased it on Amazon about six months ago for approximately 20,000 yen and haven't used it much. The filter and two brushes have been replaced with new ones. The main brush, etc., has been removed and washed with water. Please purchase a new one if you are concerned about the condition. I have confirmed that it works and can be used without any problems. Product page ↓ https://amzn.asia/d/5KX0Zea Product Description ↓ AIRROBO P20 Black Powerful Suction and Slim Design: Equipped with an upgraded Japanese-made brushless motor compared to our previous products, it solves the problem of reduced suction power that was an issue with previous products, and maintains a powerful suction power of 2800Pa for cleaning. With a height of only 7.8cm, it can clean even hard-to-reach places like under sofas and beds with powerful suction. Scraper Technology Function: AIRROBO's uniquely developed rotating brush shape design efficiently picks up dust and dirt, capturing even fine dust in the gaps of floors and flooring. By using materials that take into consideration the use on floors, flooring, and tatami mats, it cleans with powerful suction without damaging floors, flooring, and tatami mats. Quick and Easy Connection with the App: The AIRROBO app has an automatic search function, so the app automatically recognizes and starts communication when you turn on the robot vacuum cleaner. Connection is completed in about 7 seconds. You can easily check the cleaning route, set schedules, and adjust the suction mode using the AIRROBO app. In addition, the P20 robot vacuum cleaner is newly equipped with a volume adjustment function for voice announcements, which was not available in our previous products. 4 Cleaning Modes and Step-Over Function: You can select your favorite cleaning mode from 4 types: "Automatic Cleaning," "Spot Cleaning," "Bow-shaped Cleaning," and "Edge Cleaning." You can also select the suction mode according to the degree of dirt in the room from "Quiet Mode 800Pa," "Standard Mode 1500Pa," and "Powerful Mode 1900Pa." "MAX Mode" is not displayed on the button, but the maximum suction power automatically activates during spot cleaning, reaching a maximum of 2800Pa. In addition, it supports height differences within 20mm, so cleaning can continue without stopping due to steps. In addition, to allow use when you are away or sleeping, the operating noise in quiet mode has been reduced to 55dB.