Abstract: To facilitate work with several heatable hairdresser cutting tools, a control device for heatable hairdresser cutting tools is proposed, in which the power circuit device (3) is integrated in a mobile unit along with a storage battery (2) and an interface device (4) and the interface device (4) is designed for the connection of several heatable hairdresser cutting tools, where a connecting device (5, 6) is provided for each hairdresser cutting tool, via which current can be passed from the power circuit device (4) to heat the respective hairdresser cutting tool.