This item is a waterproof MP3 player & FM Radio designed for swimming?? diving and other underwater sports.</br>Small all-in-one wearable FM player comfortable & fashionable?? Bands from 76MHz-108MHz?? automatically search workable channels. 8GB memory to store thousands of mp3 player??Can support most of the audio format.</br>USB rechargeable battery?? it can work for 6-8 hours when fully charged. USB plug built-in desing?? user friendly Inserted directly into