Ive had the keyboard for 3 months and Im having several issues with it. I am devastated. Feel wonderful ! I have returned the item for a replacement and am hoping the next one I get isnt used and/or damaged. I found myself buying pedicure products because my feet were rough and had callouses for the first time in my life. Lower energy bluetooth mode support means that it will stretch a charge further, but, again, expect to burn through batteries if youre doing long gaming sessions. I am 52 and dont have a long torso so it made it a little more awkward to sit with it on. Don’t like it to much Installing app, then updating the software on the headphones takes a while, about 30 minutes. 5, so I purchased a 9 based on other slides I’ve owned.