You do not need to switch between loading and audio streaming. You can listen to music without draining the battery or charging while you´re on a phone-all via a USB-C port. FEATURES:- With 60 watts o more→f power, your device can be charged during operation- Compatible devices can quickly get a power boost using the quick charge function.- This adapter is a compact solution for charging and audio playback - perfect when you´re on the go- Since both connections are suitable for both charging and audio transmission, there is no need to check that you are using the correct one