Features:Digital display.Double voice coil + horn.Supports earphone.User-friendly soft buttons.Compact, portable and easy to operateDouble battery & double TF card with one key switch.TF card, USB, FM modes.How to use:Turn on the radio, press the M button to select the mode such as FM, long press the play button to search for a radio station.The station will be automatically saved. Press the previous/next button to select saved radio stations.Package Includes:1 x Portable Radio1 x 18650 Battery1 x USB Charging CableSpecificationModelKK-16TyperadiomaterialplasticSupport formatMP3Channel2.1 channelBand TypeSingle BandSpeaker57 mm 3Rated power5 (W)Rated voltage5 (V)Applicable peopleallSignal to noise ratio8 (dB)Number of stations stored50FM Rated frequency70-140 (HZ)Input PowerDC 5V 0.5A--1000mahSound quality selectionstereoRadio tuning methoddigital displayFunctionBuilt-in speaker, digital displayChannel selection methodmemory, automaticBattery2x 18650 battery (3.7V/2600mah)