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Feature

Bone conduction audio transmission amazingly clear sound in the water without the Use of ear buds
Supports MP3 and wma audio formats compatible with iTunes; listen to music, audiobooks, podcasts and more
4GB of storage stores approximately up to 1000 songs or 60 hours of playback
Integrated Clip design secures the device to goggle straps to rest on the cheekbones for a comfortable and streamlined fit
Waterproof Ipx8 to 3 meters and 30 minutes sound is clearest when submerged in water.Please refer user manual attached below for instructions and troubleshooting steps.
The improved charging docks have a silver, circle-shaped magnet

Description

The 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.