AI sales agents are virtual assistants powered by AI, ML, and NLP.Benefits include 24/7 availability, increased efficiency, personalized interactions, cost-effective scaling, and data-driven decision making.Key features include lead qualification, automated follow-ups, CRM integration, real-time customer engagement, and sales analytics.Use cases include lead generation, e-commerce sales support, B2B sales assistance, upselling and cross-selling, and customer retention.