The amount of data your service chews up depends on the quality settings. For Beats Music, Spotify, and Google Play Music, a high-quality stream maxes out at 320kbps. (Not all tracks are available at that high quality, but most are.) Pandora is the only big mainstream service we could find that doesn’t offer 320kbps streams. In fact, on mobile it maxes out at 64kbps. Lower quality streams obviously use way less data. So what does that mean in terms of your data plan? 320kbps rate translates to 2.40 MB per minute of audio or 115.2 MB per hour. So if you were to stream music for an entire eight hour work day, you’d burn through nearly 1 GB. If you have a 2GB cap like I do, then this is not an advisable splurge! – Mario Aguilar,Gizmodo

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