World Wires · story 76715 · corroborated · 1 source(s)

The smart ring worn by Barcelona players for physical tracking

FC Barcelona players wear titanium smart rings to monitor recovery and physical readiness under coach Hansi Flick.

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• The smart ring worn by Barcelona players for physical tracking Al Jazeera Arabic · tier B · clear net · 2026-10-25 10:12 UTC

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