The latest addition to the Philips Hue smart light system is a small black box that syncs a room full of lights with whatever’s happening on your TV.

from https://www.theverge.com/2019/9/17/20864953/tv-light-sync-box-philips-hue-play-hdmi-passthrough-4k
https://cdn.vox-cdn.com/uploads/chorus_image/image/65262448/hue_play_sync.0.jpg