What's in the box Micro-USB HDM! Fire TV Stick 4K Alexei Vole Re mate (2nd Generation) D0 HDMI USB cable extender Power {for power) cable adapter banes 1. Connect your Amazon Fire TV Stick 4K Connect ane end of the USB cable to your Amazon Fire TV Stick 4K and the other end to the power adapter. Plug your Fire TV Stick 4K Ina the HDMI port on your TV and then plug the power adapter into a nearby electrical casket. Turn on your TV and then select the appropriate HDM Input.