Galactics via Amazon offers the Philips 5-Piece Retractable USB 2.0 Adapter Kit, model no. SWR1249/17, for $4.49 with free shipping. (Non-members can spend $25 or more for free shipping; otherwise, shipping adds $5.58.) Outside of the price below, that's the lowest total price we could find by $7. (We saw a similar 5-piece kit for $8 shipped in December.) It includes five different USB connectors, a spring-loaded retractable device, and carrying pouch.

Amazon Prime membership is $79 per year; however, Prime is free for college students for one year, and free for parents and caregivers for three months.

A close price: PricePlunge charges 99 cents with $3.99 for shipping. Offer ends today.