The Studio 3 can be worn for long periods of time — say, a 6-hour work session, or a 4-hour plane ride. Two hinges on each side allows the headphone band to expand to a variety of head sizes. A faulty or over-discharged battery can cause your Beats Solo 3 not to turn on. Replace or charge the battery overnight for at least 8 hours to fix the issue. Software bugs and minor glitches can prevent your Beats Solo 3 from turning on. Resetting the headphones to factory defaults can help correct the issue. Travel Hard Carrying Case Compatible with Beats Studio Pro/for Beats Solo3 / for Beats Studio3 / for Beats Solo2/ for Beats Solo Pro Bluetooth On-Ear Headphones - White $15.99 $ 15 . 99 Get it as soon as Thursday, Jan 18 When we tested the Beats Solo Pro and Beats Solo 3, we found out that the charging time for Beats Solo Pro is 1 hour 45 minutes. Whereas, for the Beats Solo 3, it is approximately 2 hours. The fast charging features on both headphones also differ as the Beats Solo Pro gives 3 hours of playback from a 10-minute charge, and the Beats Solo 3 gives 3H4qh.