IncipioBud

The IncipioBud, formerly the ShuffleBud, was an adapter that was developed by Incipio for the 2nd-generation iPod shuffle.

Description
The IncipioBud supports both charging and syncing over USB 2.0 connections to Mac or PC. However, it does not support the passing of audio signals to USB audio devices, such as speakers and FM transmitters.

Product warning
Incipio warned that the IncipioBud only supports the 2nd-generation iPod shuffle. Attempting to use it to attach anything else to a power source will cause damage to the device.