Ducktaphone
From Transformers Wiki
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The Ducktaphone consists of a common Earth megaphone with a number of rubber ducks attached to it. Its primary use is commanding Scraplets.
Fiction
Rescue Bots Academy cartoon
The recruits were given the task of taming a collection of Scraplets. When Medix discovered that the critters responded to the squeak of a rubber duck, he created the Ducktaphone to make it easier to communicate with them. He successfully used the device to instruct the Scraplets to infiltrate and shut down a power plant on Cybertron before it could go critical and explode. How To Train Your Scraplet