Now, it’s introducing a new device, the Fire TV Blaster, which extends that same hands-free voice control to your TV itself and other TV devices — like your soundbar, cable box, or A/V Receiver.

Although the Apple TV 4K is a great streaming box, its remote control is—to put it lightly—polarizing. The symmetrical design is too easy to hold upside down, and it’s so thin that it often ...