Hello,
Go to Products -> edit existing products or add new products. In the product data section you cans set the sale countdown:
https://ibb.co/VV5ZGwg
Theme Settings -> Single product -> Show / hide elements -> Countdown timer.heme Settings -> Single product -> Show / hide elements -> Countdown timer.
There is no option to set the title over the countdown. But you can create custom layout to achieve this:
Further, you can read more about the Layout Builder here: https://xtemos.com/docs-topic/woodmart-woocommerce-layout-builder/
Best Regards.