Listen to music while your phone with usb C connection charges with the Satechi Type-C Jack & PD Adapter Gray. You connect the Satechi with the usb C connection to a usb C port of a source device. Then you plug a headset into the 3.5 millimeter jack connection with which you listen to music. Take the adapter with you to use it on the road. Thanks to the compact size, it fits in a bag without any problems.