As one of its daily deals, Shnoop offers the refurbished Motorola HZ720 Elite Flip Bluetooth Headset, model no. 89504n, for $16.49 with free shipping. That's $6 under our January mention of refurb and the lowest total price we've seen. (It's $26 under the best price we could find for a new unit.) It features an in-ear hook, flip design, extended range of up to 300 feet, and up to six hours of talk time. Deal ends today.
Note that no warranty information is included.