X-mount TYPE-K interface for mobile. It designed with extremely strong 3M VHB waterproof backing. The X-mount Universal Adaptor is a super slim adaptor that is compatible with all our Type-K X-mount Interface. This universal adaptor can be used in several different ways for your smartphone, walkie talkies & even bluetooth speaker. The X-mount Universal Adaptor gives you the freedom to incorporate our patent X-mount Systems with any device with a flat smooth surface.