Yugster offers the Monster Digital 32GB USB OTG Flash Drive in Black or Pink for $11.97. Coupon code "FreeYugBuck" cuts that to $10.97. (Grab two for $18.97 or three for $28.97 via the same coupon.) With free shipping, that's the lowest total price we could find by $6. It features standard and micro USB and read speeds up to 80MB/s. Note that the countdown timer on the product page does not reflect an actual expiration time and resets daily.
A close price: 19th Hole Deals via Amazon offers it for $11.79 with free shipping for Prime members.