Bluetooth Battery Indicator is a free Android app developed by Little Angel that allows you to monitor your Bluetooth devices' battery percentage, such as speakers, headphones, and earbuds. The app also enables you to switch Bluetooth pairing between devices, making it easy to connect and disconnect from your audio devices.

The app comes with various features to enhance the user experience, including the ability to check the remaining battery level of the connected Bluetooth devices to your smartphone. You can also check the list of connected Bluetooth devices and get a Bluetooth Battery Level Indicator on the notification bar. Additionally, the app allows you to add a Wireless Bluetooth Battery widget on your mobile home screen and change the volume of media and Bluetooth volume from the app.

Overall, Bluetooth Battery Indicator is a useful app that helps you monitor the battery percentage of your Bluetooth devices and switch between them effortlessly. The app's interface is simple and user-friendly, making it easy to use for anyone.