The audio starts with a sudden, high-pitched buzzing sound, indicating the turning on of an electric toothbrush. The buzzing is continuous, signifying a strong, steady vibration of the toothbrush. The sound effect is realistic, capturing the essence of an electric toothbrush being used, likely in a bathroom setting. The audio quality is excellent, with no background noise or interruptions, ensuring the listener's focus remains solely on the electric toothbrush sound effect. The sound effect gradually fades away towards the end, replicating the experience of turning off the toothbrush. Overall, the audio provides an accurate representation of an electric toothbrush in use.