Apple Inc. is set to sell about 6 million units of the iPhone Duo this year, Counterpoint Research said, offering the first estimate for how the company’s inaugural foldable device will fare.

The figure, more typical of the niche foldable segment than Apple’s usual smartphone sales, is contingent on how well the company ramps up production of the new hardware, Counterpoint senior analyst Ivan Lam said. Priced at $1,999 and set for an October release, the iPhone Duo sits atop the Apple lineup and carries industry-wide hopes for stoking greater interest and sales of foldables.