Vintage MATTEL ELECTRONICS Intellivoice Voice Synthesis Module and Box Untested

The Intellivoice Voice Synthesis Module is an adapter for the Intellivision, Mattel's home video game console from 1979, that utilizes a voice synthesizer to generate audible speech. The Intellivoice is a large cartridge that plugs into the Intellivision's side-mounted cartridge slot; games specifically designed for the device can then be inserted into a slot provided on the right-hand side of the module. It has been called an important innovation in gaming, since the Intellivoice software used speech as an important gameplay element. small tear in the box flap, but otherwise in like new condition,