Apple's Beats brand in April unveiled the Powerbeats Pro, a redesigned wire-free version of its popular fitness-oriented Powerbeats earbuds.
Apple Seeds Second OS X El Capitan 10.11.1 Beta to Developers
The new beta is available through the Software Update mechanism in the Mac App Store and through the Apple Developer Center.
The first beta of OS X 10.11.1 introduced support for Unicode 8 and new emoji like taco, burrito, cheese wedge, hot dog, middle finger, and unicorn head.
It is not clear what other improvements the first update to OS X El Capitan will bring, but it's likely to be a minor update that includes bug fixes and performance improvements for issues encountered following the operating system's official release. According to Apple's release notes, the beta offers stability, compatibility, and security improvements.