Powerbag Rolling Office Case with Battery for Charging Smartphones, Tablets and eReaders (RFAP-0018P) Built-In charging system and removable 6000mAh battery to charge your favorite USB power devices Built-In Apple, Micro-USB, Mini-USB connectors and a USB port External one-touch battery level indication Included wall adapter charges Powerbag and any connected devices inside easily via the external waterproof charging port Quick-Access charging pockets Protective tablet pocket Padded compartment for up to 15-Inch laptop Extendable handle and smooth rolling wheels