Product Introduction: This portable radio features FM campus radio frequency band reception, using PVC material panel for high-quality and non-deformable construction. It offers good sound quality, loud and clear, and can be powered by 2 AA batteries. The frequency range includes FM: 76-108MHZ, AM: 530-1600khz, and SW: 5.95-6.42mhz, 7.08-8.40mhz, 9.43-10.97mhz, 11.44-12.29mhz, 13.56-14.13mhz, 14.94-15.71mhz, and 17.47-18.29mhz. It has an external power supply of DC 3V, a power output of 100mw, and a noise reduction ratio of ≥ 34db. The speaker is 57mm/8ohms/0.5w.