a smart display, it is basically an old tablet screwed to a stand, with it having a volume up and down button on the side, coming in different colors. i got white because that was the nearest thing. being a google assistant, it have a mic. and a radar so it can see light levels, motion and sleep patterns. it has motion sensing, quick gestures, sleep detecting, ambient eq along with hey google. the nest hub max is the same thing, but it has a 10 inch display. the nest hub has 7 inch display. and a camera. same amount of ram. oh and needs to be plugged because it dont got a battery. also, 2 gb of ram, take it or leave it. u only have 2gb of ram. the school chromebooks have 4 gb of ram. u cant change the ram for the nest hub and nest hub max.