Broan White Sensonic Ventilation Fan With Bluetooth Speaker. This fan offers a quiet operation with 1.0 Sones and delivers a powerful airflow of 110 CFM, making it suitable for bathrooms up to 100-149 square feet. It features a Bluetooth speaker, allowing you to listen to your favorite music or podcasts while enjoying a relaxing shower. The fan has a ceiling cutout width of 10.5 inches and a length of 11.375 inches, with a grille width of 13 inches and a length of 14 inches. It accommodates a 4-inch duct size and is ENERGY STAR certified, ensuring energy efficiency.