MP3 players: Compare features & prices Sony NWZ-B152 review http://www.which.co.uk/technology/audio/reviews/mp3-players/sony-nwz-b152/review/
The Sony NWZ-B152 is a small, light and ultraportable MP3 player. It's very basic, lacking many of the advanced features found in other music players, but it is very cheap. We were keen to see whether the B152 was a good budget option, or whether Sony had sacrificed performance for a small price tag.
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The players speed, compatability with computer operating systems and any extra functions .
Is the maximum volume likely to cause hearing damage with long periods of use?
How easy it is to carry and use the player while on the move.
A check to see if players can withstand the odd knock or jolt while in a pocket or bag.
Considers loading photos, compatible file formats, quality of the display and viewing the screen indoors and out.
Video display quality
Considers angle of view, image quality and reflectiveness
Video ease of use
Considers the ease of adding and playing videos
Overall video player
Considers loading video, compatible video formats, quality of the display, viewing the screen indoors and out, ease of use and battery life.