This charger dock is for iPod shuffle 2nd generation.
With the docking design, let you charge your shuffle in a stable place.
Use USB interface power supply charge your shuffle through the earphone interface directly.
Come with a USB interface cover, protect the USB interface and clip the cable to keep it tidy.

It's the best choice for your shuffle.
The dock is powered by USB interface (cable to conect to USB port is included with the product!)