POWER UP (White) - Refreshed Version. ALWAYS READY TO GO -- Ultimate Ears POWER UP charging dock keeps your BOOM 3, MEGABOOM 3, BLAST and MEGABLAST speaker always charged and ready to rock any adventure. CONVENIENT HOME BASE -- Say goodbye to messy wires. Ultimate Ears POWER UP makes charging your BOOM 3, MEGABOOM 3, BLAST and MEGABLAST easier and more seamless than ever. After a day at the beach of a big night out, place your speaker on the charging dock and keep the music going. PLAY MUSIC WHILE CHARGING -- Blast all your favorite tunes while charging your BOOM 3, MEGABOOM 3, BLAST and MEGABLAST. STUNNING DESIGN -- POWER UP's sleek design fits into any home and looks stunning with any of the BOOM 3, MEGABOOM 3, BLAST and MEGABLAST colors.