As of 2015, the GE JEM31 microwave product line is no longer being manufactured and no pricing is available on the official GE website. The Amazon.com product page for the JEM31 does not list a price and notes that the product is currently unavailable.
The microwave's product page at AJ Madison lists the product as being discontinued with no price being listed. The microwave's specifications include a one cubic feet cooking capacity and that it requires 800 watts of electrical power to operate. Other features of GE JEM31 are an option to control the movement of the turntable as well as electronic touch controls.