About this item Pocket radio AM FM; FM band from 64/87 to 108 MHz and AM band from 520/522 to 1710 KHz; 9/10KHz AM steps adjustable; the size of the mini radio is like a deck of playing cards but lighter; it is ideal for jogging when you go out. Lock button; pocket digital radio with a lock button which can prevent your radio from accidental operation when you press the button; this feature allows you to enjoy listening while walking, jogging, or doing other movements without having to repeatedly adjust the radio. Portable radio with headphones; earphone can be used as antenna for better reception in weak signal places; you can put the mini pocket radio in trouser pocket to extend earphone line for better signal; radio also has FM stereo listening through the earphone. Long work time; FM pocket radio built-in 500mAh rechargeable lithium battery; you can charge the radio with USB charging cable; it only takes 2-3 hours to fully charge but radio can work at least 10 hours (depending on v