beautiful Hear It All Clearly: That's because our behind-the-ear speakers feature a digital volume control with memory and loudest alarm with active noise cancellation, which means you can hear everything you need Uncomfortable and poorly designed, behind the uniquely comfortable hollow sculpted silicone ear tips is our premium quality, meaning you can listen in comfort. user friendly. No programming: The problem with others is that they have high frequency feedback and are not user friendly. Because our sound is crafted with ergonomically designed ear tubes and digitally processed volume controls and memory. Specifications: This digital headset features different listening modes, loudest alarm, active noise cancellation and digital volume control with memory, meaning you have complete user control.