Retractable bluetooth ceiling fan light built-in Bluetooth speaker, enjoy the shock of 3D stereo surround sound quality! Play music or night story by Bluetooth Speaker. RGB Color and Fully Dimmable. Set the fan and light to turn on/off at any time within 24 hours through the app. You can control the timing functions of the fan and light independently. It uses high quality pure copper coil motor for stable operation and low noise design without affecting the sound of music. It can be set to run forward (for summer cooling) or reverse (for winter ventilation). Six speed settings with reverse function for downward or upward airflow. 2 Year accessories & Motor limited warranty.