Ocean Technology via Amazon offers the Unitek 3.5mm Male to Male 3-Foot Auxiliary Audio Cable
, model no. Y-C926ABK, for $6.99. Coupon code "GO4BVKFH" drops it to $3.98
. Plus, Prime members bag free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.99.) That's a buck under the best price we could find. This cable works with most major brands of consumer electronics.