Logitech declared two innovative iPod-dock speaker systems, the Rechargeable Speaker S315i along with the convenient Speaker S125i. Both systems sport a Universal iPod dock as well as can be powered by batteries or AC power.

The S315i works with iPhones along with dockable iPods, as well as also offer a stereo-minijack input. A rechargeable battery gives up to 20 hours of portable listening through an unusual power-saving mode. The system is 10.8 by 1.8 by 5.2 inches in size as well as weigh up about 1.5 pounds.

The Portable Speaker S125i operates with dockable iPods, as well as with additional audio sources by means of a stereo-minijack input. It can play for up to 10 hours off four AA batteries as well as provides a bass-boost feature for attractive bass response. The S125i is 7.8 by 3.5 by 3.4 inches in size as well as weigh ups 0.8 pounds.

The S315i is planned to ship later on this month; the S125i will dispatch in September. The Logitech has not been updated with information about the latest products at the time of publication.