He could do these tricks with verbal commands, as well as with only hand commands. (russiandog.net)
Note, strictly speaking, top dog training and dog obedience include dogs following a voice or hand command by the owner within a given time. (dog-and-cat-training.com)
He will be 2 years old next week and he responds to over 70 vocabulary words and many hand commands! (2speakdog.com)