Energy Saving:Save up to 80% energy. With LED technology, the bulb has a lifespan of more than 15,000 hours, or almost 13 and a half years in normal use (3h/day). Multicolors: Our smart bulb has 16 million colors, and the brightness of each color is adjustable for any occasion, such as reading, party, game, romantic meal... Voice Assistant: The RGB and CCT bulb, which easily works with 2.4 GHz Wi-Fi networks. You can browse through Alexa or Google Home, such as turn the bulb on or off, adjust the light brightness or change the color, etc. Remote Control: Wherever you are, you can easily control it via the app on your Android or iOS device. You can connect and control multiple smart bulbs through this app on smart phone. Moreover, you can have it automatically turn on or off the time function. Music Mode: Professional design and high quality LED bulbs provide stable lighting performance, reduce glare and protect your eyes. When the music mode is turned on, the light emitted from the bulb will also change. White color Size: 70*130 (mm) Quantity sold: 2 pieces About chromatic aberration: The goods sold are all taken in kind, but due to different lighting, monitors, etc. ., there will be a little color difference, which is a normal phenomenon, not a quality problem! About the size: The dimensions of the products sold are all measured manually. Due to different measurement methods and tools, there may be an error of 1-2mm, which is normal!