This adapter is specifically designed for USB-C devices that have remove the 3,5mm Jack audio port. It won’t work on devices with 3,5mm Jack! 2-IN-1 audio and charge, it not only provides an audio Jack that works on all devices but also includes a USB-C fast charging port. It is also compatible with the remote control function like microphone, volume control, play/pause and next song. Compact and light design, only 7g and 125mm length. It’s small enough to carry it on you pocket or bag. Weight: 7g Length: 125mm