Renogy Unveils E.Tunes Splash Proof Portable Bluetooth Speaker with Integrated Solar Panel

When it comes to portable speakers, one of the most challenging frontiers remains battery capacity, with consumers expecting light and compact systems to last as long as possible. There have been many improvements in power management, lowering the power on circuits and battery technology itself. But what if a portable speaker was able to harvest its own power from an integrated solar panel? That's what Renogy is proposing with the new E.Tunes Bluetooth Speaker.