Function 1: Charging function is converted to TYPE C, compatible with PD, switch power supply, etc., but it cannot full compatibility with 100% PD chargers, and users need to test it themselves Function 2: Expand the 3.5mm headphone function. After inserting the 3.5mm headphone, the external speaker switches to the 3.5mm headphone output. When unplugging, it automatically switches to the external speaker. Features, you can use type C charging and 3.5mm headphone output at the same time, and the functions do not . However, in order to reduce the overall size, the hump is not too prominent. So the two connectors are relatively close. When users use both, they need to choose the smaller headphone and data cable connectors. Color:As Shown Material:plastic Package Contents: 1 * For SP-dedicated Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.