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Sony NW-E507 Network Walkman (1GB) comparison

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Product name	Sony NW-E507 Network Walkman (1GB)	Sony NW-E407 Network Walkman (1GB)	Sony NW-S205F (2GB)	Sony NWZ-B133F Walkman (1GB, black)	Sony NW-S705F Noise Canceling Walkman (2GB, black)
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CNET editors' rating	stars Overall score: ( stars)	3.5 stars Overall score: 7.7 (3.5 stars)	3.5 stars Overall score: 7.3 (3.5 stars)	3.0 stars Overall score: 6.5 (3.0 stars)	3.5 stars Overall score: 7.7 (3.5 stars)
Average user rating	3.5 stars	3.5 stars	3.5 stars	3.5 stars	4.0 stars
Release date		May 01, 2005		September 15, 2008
The Bottom Line		If you want a beautiful-looking device with killer battery life, consider the Sony NW-E400 series.	The NW-S200 Walkman proves once again that Sony knows what it's doing in the hardware department; fitness-minded users should take a close look at this flash MP3 player. But make sure you're comfortable with SonicStage before you commit.	The entry-level Sony B-Series Walkman is a solid choice for the gym thanks to its ultracompact design, quick charge function, and integrated FM tuner--but beware the eye strain.	Despite its small capacity, the Sony NW-S705F delivers a lot of bang for the buck with ahead-of-its-time noise-cancellation and a 50-hour battery life. If you can tolerate Sony's software long enough to load your favorite music, you won't be disappointed.
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Dimensions (WxDxH)	3.3 in x 0.6 in x 1.1 in	3.3 in x 0.6 in x 1.1 in	0.6 in x 0.6 in x 3.8 in	3.5 in x 0.6 in x 1 in	1.1 in x 0.6 in x 3.4 in
Software type	Sony SonicStage	Sony SonicStage	Sony SonicStage CP	Info unavailable	Sony SonicStage CP 4.1
Digital player signal-to-noise ratio	80 dB	Info unavailable	Info unavailable	Info unavailable	Info unavailable
Mfr estimated battery life	50 hour(s)	50 hour(s)	18 hour(s)	16 hour(s)	50 hour(s)
PC interface(s) supported	USB	Info unavailable	Hi-Speed USB	Hi-Speed USB	Hi-Speed USB
Flash memory form factor	Integrated	Integrated	Integrated	Integrated	Integrated
Flash memory installed	1 GB	1 GB	2 GB	1 GB	2 GB
Battery technology	Lithium ion	Lithium ion	Lithium ion	Lithium ion	Lithium ion
Weight	1.7 oz	1.7 oz	0.9 oz	Info unavailable	1.7 oz
Digital storage media capacity	1 GB	Info unavailable	Info unavailable	Info unavailable	Info unavailable
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	E-mail me when this product is available	E-mail me when this product is available	E-mail me when this product is available	E-mail me when this product is available	E-mail me when this product is available
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