You'll have to charge it through your computer or laptop, you should have a cable which will connect you to it.
If it is an iPod Touch, yes, you can work on an iPod or use the iPod while it is charging.
it can be used for charging your iPod
Eject the iPod then it should still be charging then press then press menu then you can listen to your iPod while its charging.
Try charging your Ipod.
it is one of the three its not in correctly, its your ipod, or its the dock hope this helped.
You can connect it to your computer, so it will be charging. Then iTunes will open up and you can sync your iPod and add songs.
The Ipod touch is done charging when the green battery on screen while it is plugged in if completely filled with green
Your iPod twitches because you are over charging it or you are not taking care of it.
orange
Try charging it
Each ipod's battery will last for a certain number of charges. Charging your ipod touch alot isn't bad, but will cause you to need to replace its battery sooner.
Your iPod will automatically turn on when you plug it in and start charging it.