Compatible with Galaxy Watch 6/. 6 Classic/Galaxy Watch 5/Watch 5 Pro/Watch 4 classic LTE (46mm)/Watch 4 (40mm 44mm), Galaxy Watch 3 LTE (45mm)/Watch 3 (41mm 45mm). Galaxy Watch Active (40mm)/Active 2 (40mm 44mm), Galaxy Watch LTE (46mm)/Watch (42mm 46mm), Gear S3, Gear Sport.
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