Extra-Long 20m LED Strip Lights This ultimate LED strip lighting solution wraps around your entire room. Featuring 65 soldered LED units on a 6ft PCB, it's twice as long and twice as bright as 10m strips. Ideal for bedrooms, living rooms, dorm rooms, bars, and shops – perfect under cabinets, stairs, etc. Adjustable Brightness and Color Control the brightness, change the color, and easily turn the RGB LED strip on/off. A sensitive built-in microphone in the controller's switch makes the lights pulse and change color with ambient sounds and music. Upgraded 44-Key Infrared Remote Enjoy 20 preset colors and DIY options. Four music mode buttons allow the built-in microphone to detect ambient music and sounds, changing the light color and brightness with the rhythm. Dim and brighten buttons also control the microphone's sensitivity. Versatile Home & Dorm Decor Set timers to turn lights on/off, use your favorite color, and control the strip from up to 50 feet away with the responsive mobile app. Perfect for bedrooms, dorm rooms, kitchens, behind TVs, around mirrors, and decorating staircases.