Note Please use 5V external power supply or adapter to charge overvoltage may cause heat and damage to the product The FM frequency of V115 has two bands to choose from the default band is FM2 87 108MHZ but you can choose the band FM1 64 108MHZ FM2 87 108MHZ by setting the FM band set switchAM Stepping set In the AM radio mode long press MENU key to the system main menu press or key to select AM Stepping set choose step 9 KHz or 10 KHz Press the key to confirm Features 1 FM AM SW ALL FULL BAND Portable radio with all features you need FM AM SW band If you are looking for battery powered radio with voice recorder rechargeable battery and support sd card 2 3 Ways to search radio station Use the automatic search in the menu to automatically search and store the nearby available stations 3 Language You can choose from four system languages including English Spanish Russian and Chinese 4 Portable V115 Portable radio is very suitable for shirt pockets it is amazing to find so much functionality in such a compact radio perfect for traveling 5 Support TF Card Maximum support 32GB The fm radio can play MP3 format music stored in TF card 6 Recording Function Digital bass radio with MIC recording and AUX line in recording insert the TF card In the radio mode to record your voice or radio voice Specification FM FrequencyFM1 64 108MHzFM2 87 108MHz optional AM Frequency522 1710KHz 9K 520 1710KHz 10K optional SW Frequency4 75 21 85MHz Memory Car