Can the 3M VHB adhesive for the adapter be used multiple times?

The 3M VHB adhesive is a single-use adhesive. If it is pasted, please do not remove it. It is not reusable once removed.

Which case material is best for the adapter to stick more firmly?

It is recommended to choose a hard case with a flat back. Protective case made of stainless steel, PC, or TPU.

PLEASE NOTE: Silicone material cannot be used.

Silicone / Rubber / Soft touch coatings case cannot be used ! ! ! ! ! ! ! ! ! ! ! ! ! !

The adapter won't stick to the silicone case sold on * Apple's website *, Please don't choose such silicone cases.

All silicone product surfaces require special preparation to bond with 3M adhesives.

Can the adapter be directly stuck on the phone? How long can it be used after sticking?

NO,Please don't stick it on the phone directly . * Please choose a protective case with a sling hole and use it with the sling when riding.*

Allow adhesive to dry for 24 hours before using for better stickiness.

Is there any requirement for the position where the adapter stick to the protective case?

Please stick the adapter to the center of the phone case. The force is more uniform when riding.