Expect boom and lust with this three in one gadget, a power bank, Bluetooth speakers and solar-powered unit all rolled into one. Charge your other devices on the go while enjoying your favorite tunes, the Solgaard Solarbank Boombox, compatible with Lifepack, its super duper design auto-charges in sunlight, with one hour of the sun providing two hours of music and just four hours of UV for a single phone charge.