1. A voice activated device, comprising: a voice trigger circuit, an automatic speech recognition circuit; wherein the voice trigger circuit is arranged to receive first detection signals from a first sensor and to trigger an activation of the automatic speech recognition circuit in response to a detection of a voice trigger, while the automatic speech recognition device is in a first power mode; wherein the automatic speech recognition circuit is arranged to detect, while operating in a second power mode, an audio activation command; wherein a power consumption of the automatic speech recognition circuit when operating in the second power mode exceeds a power consumption of the automatic speech recognition when operating in the first power mode; and wherein the first sensor is a bone conduction sensor or a vibration sensor.