| 摘要 |
PROBLEM TO BE SOLVED: To present a content, adapting to change of a user.SOLUTION: A robot cleaner (10, 11) comprises: a voice acquisition unit (21) that when a user to which a content (7) can be presented has been changed, selects at least one piece of voice data (1) in accordance with a user after the change; and a voice reproduction unit (23) that presents the content (7) recorded in the selected piece of voice data (1) as voice to the user. |
