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posting for a friend who has a bunch of those in blue, pink and red.
they will work with iphone 3G,3GS,4,4S, Ipad2 and most ipods.
http://www.zagg.com/ifrogz/accessori...wer-cords/2053
$5
more available upon request. let me know so I can tell him what to order if you guys needs anything specific for other devices. He works for ZAGG