Fitbit Alta HR Fitness Wristband Activity & Heart Monitor Gray Large FB408

Track heart rate, steps, calories and sleep stages on a clear OLED display while the lightweight elastomer band stays comfortable all day. With 7‑day battery life, Bluetooth LE 4.0 syncs to iOS or Android for smart alerts and activity reminders. Water‑resistant and auto‑workout detection keep your fitness journey seamless.

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