When you are working in high pressure situations, you need to know that your earpiece is not going to let you down. This is always a risk with low quality earpieces that are not designed for use in security environments. They are likely to be made from cheap, low quality components that are liable to fail at the worst possible time.<br> <br> With this D-Shape earpiece for Garmin radio, however, you are getting a device featuring premium grade components that will never let you down. Its D-Shape enables it to fit snugly into your ear and enable you to hear instructions and updates in crystal clear sound. It will work with any radio that has a standard 2.5mm jack socket, as well as mobile phones, tablets, DAB radios and any other device with this size socket.. <br> <br> <b>This earpiece for Garmin radio features a 90 day "no questions asked" money back guarantee.</b>