Overview of the Bluetooth speaker BT 2301, which combines wireless charging of batteries with a versatile desktop night light: 1. Nightfall gives way to dawn 2. Lighting, mood lighting, night lighting, multicolored lighting effects, and Bluetooth 3. 15W wireless charging, alarm clock, sound, and clock To change between the 10 light color modes (one color, two colors), click the bulb button. 4. There are still 256 races (tri-color, seven-color, and racing). 5. 16 million light colors and adjustable modes via an APP link