Onn RT-4507 - Specifications; Radio Section

Specifications
General:
Power Source

DC 5V/2.5A
AC Power Supply 
100-240V-50/60Hz 0.4A
Battery Backup
 2x1.5V AAA size batteries
Speaker

8 ohm
Output Power 
0.5 W
Radio section:
Frequency Range (FM) 
87.5 -108 MHz
(AM) 
520-1710KHz
Specifications are subject to change without notice.