Features: This world band radio with mini size is rather compact and elegant.  You can put it in your pocket while listen to the broadcasting.  The small size allows you to take it anywhere and its operating flexibility.  brings the user many avenues of operating enjoyment.  High sensitivity,good selectivity.Supports DC 5V power supply.  A 24-hour alarm clock allows the radio to turn on automatically.  FM stereo,and it will improve sound clarity in noisy environments.  Receive the world band broadcast signal (FM,MW,SW).60 station preset (20 FM,20 MW,20 SW).  Automatically search for radio stations,as well as manually search and store radio stations.  Frequency: FM: 63-108 MHz,MW: 522-1620 kHz,SW: 5.9-21.85 MHz;  Tuning Increment: FM: 0.1 MHz,MW: 9 kHz,SW: 0.01 MHz;  Antenna Length: 440mm/17 inches;  Speaker: 50mm, 8Ω,0.5W;  Output Power: ≤220mW;  Power Supply: DC 5V or 2 x AA batteries (not included);  Package Weight: 148g;  Size: 111 x 70 x 26mm/4.37 x 2.76 x 1.02inch;     Note: The product does NOT support amplitude modulation (AM) in United States,Canada,Mexico,Greenland and other North American countries.     Package Included: 1 x HRD-310 Radio;  1 x Earphone