Ultimate Ears POWER UPNever worry about running out of power again. With the Ultimate Ears POWER UP charging dock it has never been so easy to charge your Ultimate Ears speaker - and without cable noise. When you come home after a day at the beach or a party, just put the speaker in the charging dock and it is ready again. You can even charge the speaker completely without wires while listening to your favorite tracks. With its sleek, elegant design, the POWER UP looks great in any home. Works with Ultimate Ears BOOM 3, MEGABOOM 3, BLAST and MEGABLAST.