I bought the box to listen to music / radio in the vacation or garden. As the box is splashproof, that's no problem. What convinced me the volume and the sound coming out of the box. On vacation I have it connected to my laptop and listen to the radio / TV gnutzt. At low volume levels, the battery life is 25Std approx. Very good, I find that you kann.Die the battery status directly interrogate the device, or via the app on your smartphone via Bluetooth to several devices works fine