Best MP3 Players - WMV9 Video Format, 23 to 42 Hours Battery Life, MP3 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. '

'wide volume range'

'built-in speakers'

'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.'

'built-in microphone'

'• FM tuner'

'Color reproduction is decent although sometimes appearing oversaturated with certain photos.'

'SD card slot .'

'built-in microphone'

'• FM tuner'

'Color reproduction is decent although sometimes appearing oversaturated with certain photos.'

'SD card slot .'