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Shock-resistant structure protects module. Complex rugged shape prevents direct shock to glass and buttons.
Waterproof charging terminal and built-in optical sensor are 200-meter water resistant.
Resin parts cover metal bezel for easy button pushing.
The design combines resin and metal with enlarged measurement buttons. The other buttons are dual-colored with non-slip design for easy operation.
The fine resin curved back and urethane band ensure a smooth fit.
Provides improved ventilation with plenty of holes, which also allows fine length adjustments.