This adapter is actually a USB hub — great for the iPad Pro. With this 6-in-1 hub, you not only get a 3.5mm headphone jack, but you also get a USB-C port and USB-A port, an SD/MicroSD card ...

These four adapters can keep your buds going as the years, and devices, progress over time. 1. MOBOREST 3.5mm M to 6.35mm. The second generation of this shiny audio adapter reliably converts a 6 ...

To connect such a camera with a Lightning-equipped iPhone or iPad, you need either an Apple Lightning to USB Camera Adapter ($29, £35) or a Lightning to USB 3 Camera Adapter ($39, £45).

You can't just plug a standard microphone into the 3.5mm jack or into a Lightning-to-USB adapter. There are plug-and-play Apple-certified models, but those cost upwards of $150.