A free program for Android, by CHI Software.
HeadSet Battery - Bluetooth Headset Monitor app is an application designed to monitor and show the battery level of a Bluetooth device in real-time. You can check the battery level of your smartphone, tablet or other mobile device in real-time and also check the battery level of any Bluetooth device you have connected to your Android device in the past.
The app can be used as a wireless headphone indicator, so you will never lose your headphones again, and you will always be aware of the battery level of your Bluetooth device in real-time.
This is a simple app, so if you don’t want to take any risks with the security of your data.
