Rockville RPB21 is a multi-purpose portable rechargeable Bluetooth speaker system. It features 30 Watts Peak Power and 10 Watts RMS Power, providing loud and powerful sound with deep bass. Thanks to Bluetooth 2.1 with EDR, you can easily connect your Bluetooth devices and stream music wirelessly. The built-in rechargeable 2000mAH battery supports up to 10 hours of playback at 70% volume – perfect for taking your music with you wherever you go.

In addition to Bluetooth, the RPB21 also supports playback from USB thumb drives and Micro SD cards up to 32GB. It also has a 3.5mm aux input, so you can connect non-Bluetooth devices.