Scosche Bluetooth Microphone for $13 + $4 s&h
As one of its daily deals, PricePlunge offers the Scosche Bluetooth Microphone, model no. 0265IBTMC, for $12.99 plus $3.99 for shipping. That's the lowest total price we could find by $18. It's compatible with iOS 5.0 or later and features a clip, 33-foot wireless range, and more. Deal ends today.