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![Sony Corp's new Walkman portable music player NW-E507 is displayed in Tokyo March 9, 2005. The new flash memory player is equipped with an organic electro-luminescence (OLED) display and is capable of Sony Corp's new Walkman portable music player NW-E507 is displayed in Tokyo March 9, 2005. The new flash memory player is equipped with an organic electro-luminescence (OLED) display and is capable of](https://c8.alamy.com/comp/2D3YTR4/sony-corps-new-walkman-portable-music-player-nw-e507-is-displayed-in-tokyo-march-9-2005-the-new-flash-memory-player-is-equipped-with-an-organic-electro-luminescence-oled-display-and-is-capable-of-generating-three-hours-of-playback-time-with-just-three-minutes-of-recharging-sony-said-the-digital-player-available-in-capacities-of-256-megabytes-512-megabytes-and-one-gigabyte-of-data-will-be-launched-in-april-2005-reutersyuriko-nakao-ynsa-2D3YTR4.jpg)
Sony Corp's new Walkman portable music player NW-E507 is displayed in Tokyo March 9, 2005. The new flash memory player is equipped with an organic electro-luminescence (OLED) display and is capable of
![A woman holds Sony Corp's new Walkman portable music player NW-E507 in Tokyo March 9, 2005. The new flash memory player is equipped with an organic electro-luminescence (OLED) display and is capable A woman holds Sony Corp's new Walkman portable music player NW-E507 in Tokyo March 9, 2005. The new flash memory player is equipped with an organic electro-luminescence (OLED) display and is capable](https://c8.alamy.com/comp/2D4D7MY/a-woman-holds-sony-corps-new-walkman-portable-music-player-nw-e507-in-tokyo-march-9-2005-the-new-flash-memory-player-is-equipped-with-an-organic-electro-luminescence-oled-display-and-is-capable-of-generating-three-hours-of-playback-time-with-just-three-minutes-of-recharging-sony-said-the-digital-player-available-in-capacities-of-256-megabytes-512-megabytes-and-one-gigabyte-of-data-will-be-launched-in-april-2005-reutersyuriko-nakao-ynnl-2D4D7MY.jpg)