Amazon Fire TV Stick 4K TV HDMI 4K Ultra HD Fire OS

Amazon Fire TV Stick 4K. 
HD type: 4K Ultra HD, 
Provided operating system: Fire OS, 
Maximum video resolution: 3840 x 2160 pixels. 
Device interface: HDMI, 
HDMI connector type: Full size, 
Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax). 
Power source: USB. 
Product color: Black. 
Internal storage capacity: 8 GB