insignia ns-43df710na19 43-inch smart 4k uhd tv - fire tv edition insignia the insignia 4k uhd smart tv is a new generation of televisions, featuring the fire tv experience built-in and including a voice remote with alexa. with true-to-life 4k ultra hd picture quality and access to all the movies and tv shows you love, toshiba fire tv edition delivers a superior tv experience that gets smarter every day. the voice remote with alexa lets you do everything you'd expect from a remote—plus, easily launch apps, search for tv shows, play music, switch inputs, control smart home devices and more, using just your voice.