Lenovo offers Lenovo USB-C to VGA Adapter Cable for $12 (reg $34.99) after code with free shipping.

Apply Code: ACC10XTRA

Product Description:
The Lenovo USB-C to VGA Adapter turns an available USB-C port into a VGA display adapter for connecting to any display, projector or TV with VGA input. The Lenovo USB-C to VGA Adapter can be used to mirror your primary display or to extend your display to double your workspace. 

• No extra drivers required
• USB-C to VGA conversion for displays with resolutions up to 1920x1200
• Lightweight, portable and sleek
• Designed to accompany your Lenovo system