Power Back Case for iPhone 5 1.2800mAh Ultra slim dimension 2.1 year warranty 3.Red,White,Black,Yellow HOT! New Arrival 2800mAh External Power Back Case for iPhone 5 ODM/ODM ProjectWe accept OEM/ODM product, to produce the customized products according to your requirements.We can provide the service including but not limited Product designing, Research&Development, Tooling developing, ...