Engineered for quality and HD Radio sound, the Sangean HDR-15 AM/FM HD Radio Clock Radio will let you experience crystal clear, distortion-free HD Radio! This stylish radio is also a great bedside companion. It has 3 alarm functions with the Humane Waking System. HWS wakes you to your choice of a buzzer or radio that starts off with a soft low volume and gradually increases. A built-in USB charging port means you can charge your mobile phone and wake up with both you and it fully charged and ready for the day.