CMF Speaker M supports fast charging.
With a 10-minute charge:
The Speaker can be used for 1 hours continuously.
Test Conditions : At 50% volume. Charging and battery tests are based on internal results from Nothing’s labs (25°C or 77°F). Actual battery life may vary depending on volume, frequency, output source, environmental interference, product features used, and usage habits. Actual experience will depend on individual use.