That's mighty loud, but these speakers have some ... at ear-screeching levels without distortion. Most Bluetooth speakers are powered by a rechargeable battery that easily connects to a USB ...

Additionally, the JBL Authentics 300 features a built-in rechargeable ... lot (it wasn't too loud to begin with), but every bit counts, and it's a good-sounding Bluetooth speaker for its size.

Range is only 30 feet and your source device needs to be in the same room indoors ...