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Transcend 4GB JetFlash 500 Retractable USB 2.0 Flash Drive (Black) for $5.99

Transcend TS4GJF500 4GB JetFlash 500 Retractable USB 2.0 Flash Drive for $5.99 shipped with MClub membership.  MClub is basically a free subscription to Mwave’s discount and promotion emailing list..  Here is a screenshot for your reference.  It has a retractable USB connector so there is no cap to lose.