Final answer:
Apple mobile devices most commonly use a Lightning connector for charging and data transfer, though newer iPad models might use USB-C.
Step-by-step explanation:
For charging and data transfer on an Apple mobile device, you would typically use a Lightning connection. This is a proprietary connector developed by Apple and has been widely used across various models of iPhones, iPads, and iPods. However, it's worth noting that newer models of iPads and some accessories have transitioned to using USB-C, which is a more universal charging and data transfer standard.