The TONE FREE DFP8Ws (or FP8s) are the latest generation of LG TWS earbuds that come with their own UV-emitting charging case for an "auto-cleaning" feature. The OEM has announced pricing and availability for these allegedly bacteria-repelling accessories in the US. They will also soon be joined there by new FP9 and FP5 variants.
https://www.notebookcheck.net/LG-releases-its-latest-TONE-FREE-TWS-earbuds-to-the-US-market.553112.0.html