Redmi Buds 4 Lite  Noise cancellation depth test data provided by the National Institute of Metrology, China. The product reaches 40dB ANC depth only at a certain frequency range. Actual results may vary depending on usage conditions.Battery life test carried out by the manufacturer, test data based on simulation of real-life scenarios. Actual results may vary depending on firmware updates, usage conditions, charging level, and environmental factors.
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