You can use an accompanying 30-pin cable to charge your iPhone or iPod touch, but if you also need a handy way to hold your device, the following Une Bobine sync & charging cable should be more suitable for you.
Une Bobine is an innovative, versatile charging and sync cable designed for iPhone and iPod touch, of course, you can also use the cable to charge and sync your other iOS devices. The sync & charging cable is made of a very specific metal gooseneck material that can provide a fully flexible cable with enough strength to hold the weight of iPhone just like a practical iPhone stand, and the flexible design allows you to freely adjust the position and shape of the sync and charging cable for different places. Moreover, the metallic skin can also effectively protect the inner wires.
At present, the inventor of Une Bobine is raising fund on Kickstarter. Pledge $25 will let you own the versatile sync & charging cable. If you’re interested, jump to Kickstarter official site for more details.