I get my Edge keyboard use over two year ago . at that time , the battery charge would last a few day , and this have hold up - still go 4-5 day on a charge , which work fine for I , although much less than advertise . -lrb- since the keyboard be brick when the battery die , I consider myself lucky -rrb- . the bluetooth have synce reliably with my iMac . I have like the keypad operation . the trackpad be nice , but its button be not ergonomically located . I find I use my Wacom tablet for most drawing and drag operation , which my hand can not do reliably with the trackpad and its button . that be a annoyance . unfortunately , I just lose a key . for a couple of day the ` six ' key would appear to stick and start enter endless ` six ' . now I can not get it to work at all , although sometimes a ` six ' will pop up when press the a key . I can use the Edge until I get a new keyboard , but have to copy and paste ` six 's . so my Edge have reach end-of-life , a shame since I have another old trackpad keyboard -lrb- not Logitech -rrb- that have behave flawlessly for 15 year . I have enjoy my year with the Edge , but could only recommend it to someone who will be happy with a life span of ~ 3 year and a somewhat awkward trackpad operation . the non-replaceable battery and early breakdown tell I Logitech consider this keyboard as a disposable item from the earliest design phase . I can not bring myself to buy another , although I be a fan of other Logitech product .