RELEASER massage gun with 4-level settings and AI function, 51% battery remaining. - Model Name: RELEASER - Setting Levels: 4 levels - Battery Remaining: 51% - AI Function: Equipped I have been using it for about six months, but I am selling it because I haven't used it much. It works and charges without any problems. It will be disinfected with alcohol before being sold. Thank you for looking.