It basically boosts your eCommerce sales by prescribing items to your clients at the checkout. Customers would then be able to buy that product or deal with a single click, rather than needing to look at again from scratch.
Basically, your customer already made a buy. Now, you're attempting to "upsell" them to purchase something different also.
Some Features :
1. Customize behavior as where the customer will go after he accepts or rejects the Offer.
2. Funnels can be planned for particular Weekdays or Everyday.
3. Secure Payment Transactions.
4. With the help of Shortcodes user can create Custom Offer Page according to Offer Product by using any Page Builder. Distinctive Offer pages can be utilized for various offers.
Read more on https://makewebbetter.com/product/woocommerce-one- click-upsell-funnel-pro/