Speaker docks are one of the more popular iPhone and iPad accessories. Plopping your device in the dock simultaneously recharges it and redirects your music or other audio to the dock’s built-in speakers.
Logitech Speaker Stand for iPad
($97.99, amazon.com)
Designed exclusively for the iPad, this is
a sturdy speaker stand that not only accommodates
both portrait and landscape mode
but also just about any viewing angle. And
although it’s called a stand, it is in fact a
dock to recharge your device. Plus, it includes
speakers, an auxiliary-in jack, and
controls for power and volume. Source.iPhone Life Magazine 2012-11-12