Best Black MP3 Players - Voice Recording, Speaker Additional Features, AAC Audio Format

'The FM radio and JPEG photo viewer found on the NWZ-S710F are nothing special, but both are easy to use and add value to the device.'

'In PC World Test Center audio tests, it netted a signal-to-noise ratio score of 82 decibels--just a shade below the latest iPods and the top-ranked Creative Zen X-Fi --as well as a barely registering harmonic distortion and noise level of 0.01 percent. '

'Even without any of the whiz-bang options or noise-cancelling activated, music is full-bodied and vibrant. '

'MPEG-4 and WMV videos are playable as well.'

'slim device'

'Expandable memory.'

'sturdy design • Easily navigable menus'

'Huge range of file support • Simple and elegant GUI • Remote that doesn't suck • eSATA support. '