Garmin vivomove 3s. ✔Wide compatibility – fits a wide range of Garmin smartwatch models - 100% compatible dust plugs for Garmin Fenix 6 / 6 Pro / 6X Pro / 6S Pro / Fenix 5 / Venu / Venu 2 / 2S / Sq / Forerunner 245 / 45 / 945 / vivoactive 3 / vivoactive 4 / 4s / Instinct & many more.
eBay