Photo 1 of Linkind HDMI 2.0 Sync Box, AI LumiSync Technology ET6 Smart TV Backlights, Supports 4K@60Hz, LED Backlights for 90 inch TVs, for Christmas Decorations, Smart App Control, Music Sync

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Photo 1 of Linkind HDMI 2.0 Sync Box, AI LumiSync Technology ET6 Smart TV Backlights, Supports 4K@60Hz, LED Backlights for 90 inch TVs, for Christmas Decorations, Smart App Control, Music SyncPhoto 2 of Linkind HDMI 2.0 Sync Box, AI LumiSync Technology ET6 Smart TV Backlights, Supports 4K@60Hz, LED Backlights for 90 inch TVs, for Christmas Decorations, Smart App Control, Music Sync