I'm surprised at how light it is on the data. I used Beats Music for the first part of my billing cycle (it resets tomorrow)
17 days of heavy heavy heavy usage (sometimes 5-6 hours on cellular data) has given me 1.7gb of usage out of my 10gb plan
17 days of heavy heavy heavy usage (sometimes 5-6 hours on cellular data) has given me 1.7gb of usage out of my 10gb plan