A Bluetooth controller (100) comprises: a controller housing assembly (1)； a control module (2), disposed in the controller housing assembly (1)； a Bluetooth mesh module (3), used for receiving an external control signal by means of Bluetooth and coupled to the control module (2)； a Bluetooth control circuit (5), used for controlling the light emitting unit and coupled to the control module (2)； and a Bluetooth power supply module (4), used for supplying a direct current to the Bluetooth control circuit (5) and coupled to the Bluetooth control circuit (5). By means of a Bluetooth wireless control technology, remote brightness adjustment, color adjustment, timing, splendid colors with music, profiles and other functions are implemented by the controller, thereby bringing convenience to the life of the people, and increasing the variety and the enjoyment of smart home lighting.
