【Unused】TOA NF-2 Partition Mount Conversation Assistance System This item is an opened, unused product. New retail price is around 29,800 yen or less. The lid of the cardboard box is missing. All accessories are included. This is a set of one master unit and two slave units, a communication system designed to improve the audibility of conversations in face-to-face situations where masks or partitions are used. Signal processing by DSP naturally assists conversation. The slave units are small and lightweight, and can be easily attached to partitions, etc., with built-in magnets. l010011