Meet the Lemniscate Cable: a multipurpose USB cable with a card reader, USB OTG, and a power bank. It has a 3200 mAh battery to charge your smartphone. The card slot is compatible with up to 128 GB Micro SD cards. The Lemniscate Cable can simply be used as a normal USB cable.
Thanks to USB OTG, you can transfer data between your smart devices more easily. Yet another interesting Kickstarter project.