Lenovo announced three new convertible PCs at its IFA 2017 briefing today: the Miix 520, Yoga 920, and Yoga 720. All of them include far-field voice technology, but the former two have 8th-gen chips.
Miix 520 RSS
It appears that Lenovo is working on a high-end Miix 520 Windows 10 tablet, with a 12.3-inch screen, stylus, fingerprint scanner and a form factor similar to Microsoft's Surface line of devices.