The FCC listing shows model numbers SM-L300, SM-L305, SM-L310, and SM-L315 for the Galaxy Watch 7, which likely differ in size and connectivity. Notably, the SM-L305 is expected to come with 15W wireless charging; This is a significant improvement over previous models and increases charging speed by 50%.
Galaxy Watch 7 will be accompanied by Galaxy Watch FE, identified by model number SM-R861 and equipped with 5W wireless charging. Watch FE is positioned as a more affordable option with average technical specifications.
While the FCC listing focuses mainly on charging capabilities and model numbers, it lays the groundwork for the upcoming launch of new Samsung wearables. Rumors mention additional smartwatch variants and “innovative” features like a blood sugar monitor.
Source: Ferra

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