MI Band 3 Smart Wrist Wearable - Black Thermoplastic Polyester Elastomer

Sleek black wristband with a 0.78" OLED touch screen tracks steps, calories, heart rate and sleep quality. IP67 water‑resistant up to 50 m, Bluetooth 4.2 delivers SMS alerts and music control. Lightweight 20 g band fits 155–216 mm wrists, battery life about 20 days.

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