Get yourself a high-quality setup for recording audio straight to USB-C compatible smartphones with the XS LAV USB-C Mobile Kit from Sennheiser.
USB-Compatible Smartphone Recording Kit.
Includes XL Lav USB-C Mobile.
Includes Manfrotto Pixi Tabletop Stand.
Pixi Doubles as Handheld Grip Support.
Includes Mount with Cold Shoe for Pixi.
Pouch and Foam Windscreen.