BigDeals via eBay offers the open-box Jabra Talk Multi-Point Bluetooth Headset, model no. 100-92200000-14, for $14.99 with free shipping. That's the lowest total price we could find by $8. It connects with up to two Bluetooth devices at once and features spoken caller ID, battery level, and connection status.
Note that this item may be missing its original packaging. No warranty information is provided.