Android could soon show how much battery your wireless headphones have left

Google is going to make it a bit easier to check the battery level on Bluetooth devices connected to your phone. As spotted by XDA Developers, the Android Open Source Project has added support for “[retrieving] battery level information of [a] remote device.”
When this makes its way to a full Android release, it should allow an Android phone to display the battery level of any connected Bluetooth headphones, speakers, or other accessories. Those devices will have to be set up to shar