FINIS Duo Underwater MP3 PlayerPRODUCT DESCRIPTIONThe Duo is an MP3 player designed for swimmers that offers the highest quality sound without the use of ear buds. The Duo utilizes a sleek, two-piece design and Bone Conduction audio transmission to deliver crystal clear audio through cheekbones to the inner ear. An integrated clip design secures the Duo to goggle straps to rest on the cheekbones for a comfortable and streamlined fit. A simplified interface offers four buttons to easily navigate between songs, podcasts, audiobooks and other supported audio files. The Duo supports unprotected MP3 and WMA files. The included USB magnetic dock allows for universal data transfers and charging. The device offers 4GB of flash memory and a Lithium-Ion rechargeable battery life of up to 7 hours. FEATURES & BENEFITSBONE CONDUCTION AUDIO TRANSMISSIONAmazingly clear sound in the water without the use of ear budsSUPPORTS MP3 & WMA AUDIO FORMATSCompatible with iTunes? listen to music, audiobooks, podcasts and more4GB OF STORAGEStores approximately up to 1000 songs or 60 hours of playbackINTEGRATED CLIP DESIGNSecures the device to goggle straps to rest on the cheekbones for a comfortable and streamlined fitRECHARGEABLE LITHIUM-ION BATTERYUp to 7 hours of battery lifeWATERPROOF IPX8 TO 3 METERS AND 30 MINUTESSound is clearest when submerged in waterGOLD-PLATED CONNECTION PINSUSB magnetic dock allows for quick uploading and charging while also preventing corrosion in the water