Body font family verdana geneva sans serif font size11px td font family verdana geneva sans serif font size11px finis duo 4gb underwater mp3 player 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 c