This product is currently retired. Fortunately, we have a lot of new, similar models. Check out the assortment and find the product that suits you.
The DJI Goggles Micro USB OTG Cable connects the DJI Goggles with the DJI Spark drone remote. You need this extension piece to be able to use the VR gear with the Spark drone. While flying the drone, you can send the images you're recording to the gear, giving you the feeling that you're flying along with the drone.