Libratone Beat comes with 2 transmitters included: A USB transmitter for use with a Mac or a PC and a 30-pin transmitter for use with iOS device (iPhone, iPad, iPod touch and iPods).
However, if you want to use your Beat with iOS devices equipped with the new Lightning connector you can easily do this through Apple's new adapters designed to connect accessories to the new Lightning connector.
Apple provides 2 options:
1) The "Lightning to 30-pin Adapter" without a cable (available here in the Apple Online Store).
2) The "Lightning to 30-pin Adapter (0.2 m)" with a 0,2m cable (available here in the Apple Online Store).
Both options will let you connect your Libratone 30-pin transmitter to your iOS devices equipped with the Lightning connector.