The waterproof case is easy to open and close. Most: rubber shims provide stability CUBE in the housing avoiding the transmission of vibrations to the camera housing. The least: no connection for an external microphone in this release of housing, shame! Fortunately there is always the same daccrochage interchangeability with other media brand, such as the suction cup of Polaroid CUBE. Fixing by rotation is perfect and the suction cup holds good on all smooth surfaces, especially if care is taken to properly clean the surface before attaching. Tip: well protect the cup from dust when not lUse to ensure its longer life.