Product name: butterfly bluetooth music starry sky projector lampModel: AC6921Input voltage: 110-220VOutput voltage: 5V/2000MAProduct power: RGBW2*4W (total 8W)Power supply mode: USB line power supply (mobile power, computer, mobile phone adapter)Music mode: U disk, card reader, BluetoothBluetooth number: BTK10Packaging material: neutral color box packagingBox size: 16.7x16.7x13.5cm Gross weight per unit (including carton): 0.55kgPacking accessories: lamp body + remote control + USB Android data cable (1.5 meters) + manual (multi-language)Product description: This product is a combination of four-color watermark light and green laser. The watermark has four colors of red, white, blue, and green. The laser color is green. The remote control can control the watermark color, watermark speed, and watermark mode. , Bluetooth mode, watermark single control, laser single control, brightness, music control, sound control, selection mode, timing function, switchInstructions for the new version of the remote control: Install the 2nd 7-cell battery, and the battery needs to be purchased by yourself. (The buttons are more sensitive and easier to use)The lamp body can be inserted into a U disk or a card reader to play music, you can control the brightness, you can control the music volume, up and down, pause, Bluetooth off/on, switch, USB Android data cable power supply.