Get a long lasting charge while playing music with the RiverFi Battery Speaker by VoltNow. This clever unit not only plays music for hours and hours, it can also top up the battery of your device while in the process. The powerful 2600 mAh battery has enough juice to fully charge most smartphones twice over. And, with the 2.1A output capabilities, the RiverFi Battery Speaker will charge your device twice as fast. This compact speaker also comes with a travel pouch so it’s ultra portable. It features a micro SD card slot so you can load up your music so it’s ready to go. The easy pair and play setup will have you rocking out to music in no time.