The SanDisk iXPAND Base 32GB Charge Automatic Phone Backup Base for iPhone in black is an external drive specifically designed for iPhones. With a storage capacity of 32GB, this product allows users to easily backup their phone data and expand their storage capabilities. The automatic charge feature ensures that the device is always powered and ready for use. With the SanDisk brand reputation for quality and reliability, this product is a valuable addition for those looking to manage their iPhone storage needs efficiently.