Disclosed are techniques, devices and systems that implement and utilize a voice control application and sound chip circuitry to control operation of a wearable drug delivery device. In addition, a wearable drug delivery device equipped with the sound chip circuitry may be operable to play audio clips that may include content for assisting a user with an initial set up of the wearable drug delivery device, providing messages of encouragement, lullabies for pediatric users, and the like. In addition, the voice control application enables users to control delivery of liquid drugs via a wearable drug delivery device hands-free using voice commands and voice confirmations of actions to be taken by an automated insulin delivery application.