Yes, CMF Busd 2a supports fast charging. With a 10-minute charge, the earbuds can be used continuously for 2 hours with ANC mode off. The charging case provides an additional 3.5 hours of battery life (5.5 hours for earbuds and case).
With ANC mode on, the earbuds can be used for 1.4 hours continuously. The charging case offers an additional 2.6 hours of battery life (4 hours for earbuds and case).
Note: the battery life was tested at the Nothing laboratories at a temperature of 25℃, with the earbuds and charging case fully charged, AAC music playback at 50% volume and other features at default settings. The actual result may differ based on device settings, environment, usage and other factors.