Shark buying ION RV750 Robot Vacuum R75 with Wifi

Product Name: Shark buying ION RV750 Robot Vacuum R75 with Wifi
Robot vacuum that cleans both hard floors (tile/hardwood) and carpet. Runs for up to 90 minutes before needing to recharge. Sensors detect corners and ledges. Has a low profile, so it can clear under most furniture (couches, tv stands, tables). Vacuum connects to the Shark app, so you can schedule the vacuum to start at certain times or start the vacuum at any time using the app. The dust cup is incredibly easy to remove and replace. Includes ‘boundary strips' that can be laid in front of either rooms or areas that you don't want the vacuum to clean in. Has been used, does not have major signs buying of use. This vacuum retails for $329.