The BY-K4 from Boya is a universal adapter from 3.5 mm TRS to USB-C. You can use this adapter cable to make recordings with an external microphone. The microphone is connected to your smartphone via a USB-C connection. You can find various microphones in the optional accessories.

On one side, the adapter is equipped with a 3.5 mm female jack connection (TRS). You connect the 3.5 mm male jack connection of the microphone you are using to this. On the other side, the cable has a USB-C connection that you plug into your smartphone. The adapter cable has a length of 60 mm. Compared to other cables on the market, you benefit from a thicker cable and therefore have a lower risk of cable breakage.

You can use this adapter to use your smartphone with USB-C connection with an external microphone. Thanks to its small size, you can easily take the adapter with you wherever you go. This way, you can always conduct interviews or report live in unexpected situations. This makes the Boya BY-K4 an indispensable, affordable accessory that you should always have with you. Optional accessories also include other adapters, including TRS and Lightning connectors.