A multitude of chargers, cables and storage accessories have become a headache during a trip. WOW!dea MOCA X7S CardTool is a multi-functional portable data card with the idea of “extreme simplicity, ultra-thin portability” it can function as a charging cable, a data synchronization cable, an all-in-one multi card reader, and a SIM card eject tool. In OTG mode, it can expand storage on smart mobile terminals or transfer photos from a traditional digital device like a digital camera to terminals to store or share. With the size of a credit card and a thickness of only 5 mm, it fits easily into a card pouch or wallet, adding convenience and fun to your trips.