Pocket AM FM radio design: The size of the mini radio is like a deck of playing cards; but lighter; it is ideal for jogging when you go out. FM band from 64/87 to 108 MHz and AM band from 520/522 to 1710 KHz; 9/10KHz AM steps adjustable; armband radio; 3.3 x 0.5 x 1.8 in; 1.58oz;.Good reception and stereo sound: Earphone can be used as antenna for better reception in weak signal place; you can put the mini pocket radio in trouser pocket to extend earphone line for better signal ; radio also has FM stereo listing through the earphone.Rechargeable battery: No need to change batteries frequently, simply use the included USB cable to charge and the lithium battery life will last up to 10 hours. A flash icon on the LCD screen indicates the radio is charging. Save battery on your mobile devices by listening to music on your personal radio instead..With earphones: It only plays with earphones and has no external speaker or backlight with display. Be prepared in the event of a hurricane and other emergency cases as you will still be able to receive news via this tuning radio even when you have no cell phone or signal..AM/FM RADIO: Supports AM/FM 2 band stereo radio with an automatic search and store feature which can remember up to 58 of your favorite stations. Long press "Tuner +/-" and then it will automatically search effective station and stop. Crystal clear reception allows you to enjoy music, morning talk shows, sports games, etc at home or go camping outdoor.