Nixie wearable drone, another competitor, page-156

Roam e will need to be tethered to your smartphone from what I've read the facial recognition will come into play when you set it to That specific mode. Smartphones already use facial recognition so as to automatically focus on a subjects face the difference being with Roam e it will actually move to get the best shot, if you want it to follow you will set it to follow me mode on your smartphone. This thing is no bigger than a 600 ml water bottle and the rotors fold away so my wife could fit this into her handbag and take it anywhere. Lily is just a quad copter drone that lacks the option to control it manually and as far as portability goes it's just not practical for its intended use.