Personalise the sound experience too. And when you’re tapped by the perfectionist bug, you can use the equaliser in the app to create your very own custom presets. They’ll keep you in marvellous-sounding music for up to 25 hours of battery power, and when the juice is running a little low or you’re in a rush to get going, recharging for just ten minutes will keep ‘em going for up to another hour.
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