O-ring for RATIO USB Cable

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Engineered in Italy for demanding dives from the Bahamas to beyond, the O-ring for RATIO USB Cable delivers data you can trust. Upgrade‑able firmware keeps your computer future‑pro of Rechargeable lithium battery with up to 90‑hour dive time Advanced Bühlmann ZHL‑16 algorithm with user‑adjustable GF% Factory‑sealed housing rated to 300 m / 984 ft Shop with confidence—every Ratio computer is backed by a 2‑year warranty and world‑class support. Show more