Featuring the world’s first re-moldable custom thermo-fit earpiece, Decibullz Surveillance Earpieces +Awareness are designed to work with clear acoustic tube radios so you can monitor your radio communication while maintaining situational awareness during critical situations. Unlike generic walkie-talkie headsets and police radio earpieces, Decibullz are custom fit to the unique shape of your ear, providing a secure and comfortable fit for even the most demanding environments. Able to withstand high temperatures, these earpieces are perfect for first responders, fire, EMS, police, medical professionals, military and any job that requires a clear tube radio earpiece. Just heat in boiling hot water, shape, and go. Fits all clear tube acoustic tubing with a diameter of 1/8 inch (other sizes may or may not work). Watch our instructional videos first to get started. Comes with: 2 - Black EZ Shape custom molds (left and right ear) 1 - +Awareness clear tube adapter 2 - Sets of Single Flange Silicone Tips (S, M, L) 2 - Sets of Triple Flange Open Silicone Tips (S, M, L) 1 - +Awareness Back Plug 1 - Carrying Pouch *Acoustic tube not included.