Perfect Compatibility Samsung Galaxy Watch:

Galaxy Watch 6 40mm 44m
Galaxy Watch 6 Classic 43mm 47mm
Galaxy Watch 5 Pro 45mm
Galaxy Watch 5 44mm
Galaxy Watch 5 40mm
Galaxy Watch 4 (40mm SM-R860)
Galaxy Watch 4 (44mm SM-R870/SM-875)
Galaxy Watch 4 Classic (42mm SM-R880)
Galaxy Watch 4 Classic (46mm SM-R890 /SM-R895)
Galaxy Watch 3 (41mm SM-R850)
Galaxy Watch 3 (45mm SM-R840)
Galaxy Watch Active 1 (40mm SM-R500)
Galaxy Watch Active 2 (40mm SM-R830)
Galaxy Watch Active 2 (44mm SM-R820)

Noted:

Do not place metal foreign objects on the surface of the wireless charger for a long time to avoid causing equipment failure or heating;

Do not expose the wireless charger to a gray, humid environment for a long time;