This product is designed and produced by ACEDC, and we have

There are three push card functions in total,
1. Magnetic push
2. Bead push
3. Spring push card
Due to some mechanical structures, it is inevitable that the tightening screws
will loosen during long-term vibration. Only use suitable hexagon socket screws
for tightening.Or it can be fastened by dripping an appropriate amount of screw
glue in the screw hole.

Players are welcome to join my FB group, we will update pictures of new
products and demo videos as soon as possible, and share pictures of customized
products: https://www.facebook.com/groups/greatwhiteedc

All orders have been insured. If there is a problem with the logistics, please
contact us directly and we will solve it.