A 3.5mm headphone jack is essential for a smartphone. Without this jack, we would not be able to use ordinary headphones on our phones which would cause us a lot of trouble. This important feature is not seen in many phones in the market nowadays. Oppo Reno8 Pro is a type of phone that does not have a 3.5mm headphone jack.
Your Oppo Reno8 doesn’t have a 3.5mm headphone jack. So you can’t use this type of headphones. But there is nothing to worry about it. Another feature has been given as an alternative to this, which is much better than this. So you don’t have to worry about that.