(Fire TV Stick 4K technical details. Yes, with the all-new Alexa Voice Remote (included) or free Fire TV app (available for download on Fire OS, Android, and iOS). Compatible with 1) 4K ultra high-definition TVs with HDMI capable of 2160p at 24/25/30/50/60 Hz and HDCP 2.2 or 2) high-definition TVs with HDMI capable of 1080p or 720p at 50/60 Hz.
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