The Starkey Halo iQ is the next generation of the Halo line (3rd generation). Here's a snippet from Starkey's press release covering the Halo iQ:
Halo iQ and the NEW TruLink Remote
Powered by Starkey Hearing Technologies’ TruLink 2.4 GHz wireless hearing technology, Halo iQ smartphone compatible hearing aids enable connectivity with iPhone, iPad®, iPod touch®, Apple Watch®, and select Android™ devices, providing the most natural audio experience yet, immersing people in the sounds of the things and places they love most.
A brand-new wireless accessory, the TruLink Remote is compatible with Apple® or Android and works without a smartphone, opening the world of Halo iQ to more people.