This is a completely waterproof case for radios. The 3-point belt secures the radio to the chest. While in the case, you can make calls and operations (When using your smartphone, etc., depending on the individual differences in the sensitivity of the device, some functions may not be used, so please check carefully before using. The case is made of TPU (polyurethane) that is soft and easy to operate, and is also environmentally friendly. It protects your devices from rain, splashes, saltwater, mud, sand, dust, oil, sea wind, etc. Even if dropped in water, it floats for peace of mind. (The floating weight differs depending on the type and size of the case, so please check carefully before using. )