Each of these are benefits you’d expect from Shopping ads except:
ease of targeting without needing keywords
more traffic and leads
Main benefits of shopping ads are More traffic, Better qualified leads, Easy retail-centric campaign management, Powerful reporting and competitive data.
If you’re a retailer, you can use Shopping campaigns to promote your online and local inventory, boost traffic to your website or local store, and find better qualified leads.
Read more here: https://support.google.com/adwords/answer/2454022?hl=en