This sound reactive music light bar comes with 32 LED light bulbs and colors can be adjusted via the APP. Lights can be displayed in different modes such as breathing mode, extended mode and Audio mode.   Features: Built-in highly sensitive microphone (voice control) 32 colorful lamp beads No less than 8 display modes 4 levels of brightness adjustable 5-level speed adjustable 18 color modes adjustable   Product parameters: Input voltage: >DC 5V 1A Input interface: MicroUSB Frequency response: 50-16KHZ Dimensions (length, width and height): 7" x 0.75" x 0.6"   Instructions: MODE/SPEED key: Short press to turn it white to select the mode; long press to turn it red to select the 5 speeds COLOR/BRIGHT key: Short press to turn it white to select the colors; long press to turn it green to select 4 levels of brightness Press two keys at the same time to turn it blue to learn the environmental noise spectrum Press and hold Color key at the same time when power on to enter to the setting mode Power On : Press the COLOR key after power off Power Off : keep face down for 3 seconds Package included: 2x RGB Light 2x Plastic base 4x Transparent double-sided tape 2 x Micro-USB power cord 2 X manual