Best Answer: Your Ultimate Ears Power Up will only charge Ultimate Ears products. Pair it with Blast, Megablast, Boom 3 or Megaboom 3 speakers.
What about my Boom 2 and Wonderboom?
Sorry, Ultimate Ears Power Up works only with its newer speakers. Boom 2, Boom Remix and other older versions will not be compatible. The company's compact speakers, such as Wonderboom and Roll 2, won't work with Power Up either.
Why Buy a Power Up?
Each Ultimate Ears speaker comes with its own charging cable, which means Technically a Power Up is not required. The reason for buying one is for convenience. You can use a boot for all compatible speakers; Just throw them on the dock and recharge starts immediately. Power Ups slim, minimal design also means that there are no annoying wires that mess up your home.
The $ 40 price tag may seem steep for just one charger, but it's useful if you like the look of it, or you like to keep your speaker charged during events.
Is the power coming up with my new speakers?
Power Up is sold separately from the speakers. It comes with all the accessories needed to charge your speakers.
Can I use another USB charging port?
It is recommended that you use the charging plate supplied with Ultimate Ears Power Up. Other brands with USB chargers will work, but they charge at reduced speed. If you've lost yourself, the Ultimate Ears website has signed under accessories like "Coming Soon" for $ 1
Is it white the only option?
From now on, they only offer a white Power Up. You can still blend the color with your speakers, have four different Blast and Megablast options, and another four with Boom 3 and Megaboom (except for a T-Mobile exclusive Megaboom option 3).  Get it
A charger. Many Opportunities
Remember that you can buy a Power Up for your Blast, Megablast, Boom 3 and Megaboom 3 speakers.