VIPstore&reg;4GB Waterproof MP3 Player & FM Radio Swimming Surfing SPA IPX8 Sports MP3(Red) Waterproof MP3 player & FM Radio designed for swimming, diving and other underwater sports Rechargeable battery last over 10 hours continuous play Supportmp3 ,WMA,VBR format music Compliant with international IPX8 water resistance standard Smart design, no need extra cable or headphone lines