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