Add a battery widget on Mac
Use a battery widget on Mac to view the status of your connected Beats.
On your Mac, Control-click the wallpaper, then choose Edit Widgets.
Click Batteries in widget gallery sidebar, position the pointer over the option you want, then do any of the following:
Automatically position a widget on the desktop: Click the widget (or click the widget’s Add button ).
Manually position a widget on the desktop: Drag the widget to any position on the desktop.
To change the new widget’s location, drag it to another location on the desktop. If you decide you don’t want the new widget, click its Remove button.