My full review of the Xiaomi Amazfit Health Band with ECG Chip, and this Amazefit Health Band could be the Mi Band 3! Buy the Amazfit Health Band here!
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Xiaomi Mi Band 3 picks up an upgraded OLED panel and NFC, costs just $30
The Mi Band 3 offers a heart rate sensor, NFC, and a 0.78-inch OLED screen, all for $30. Source: Xiaomi Mi Band 3 picks up an upgraded OLED panel and NFC, costs just $30