Write SQL query to solve given problem: What product has the fewest online orders from one customer? List the product's class, line of business, and list price.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.Class, T2.ProductLine, T2.ListPrice FROM ShoppingCartItem AS T1 INNER JOIN Product AS T2 ON T1.ProductID = T2.ProductID GROUP BY T1.ProductID ORDER BY SUM(Quantity) LIMIT 1