Material: ABS + electronic components
Size: 181*16*18.5mm
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
Comes with AGC automatic gain control
Exclusive inligent de-noising algorithm, can be used in noisy environment

Product parameters:
Input voltage: >DC 5V 1A
Input interface: USB
Frequency response: 50-16KHZ

Instructions:
MODE/SPEED key: Short press to turn white-select mode; long press to turn red-select 5 speeds
COLOR/BRIGHT key: Short press to turn white-select color; long press to turn green-select 4 levels of brightness
Press two keys at the same time: Press at the same time to turn blue-to learn the environmental noise spectrum
Press and hold COLOR at the same time when power on: enter gain setting mode
Power on (battery model only): Press the COLOR key after power off
Shut down (battery model only): keep face down for 3 seconds

Optional
USB powered(Need to link usb line for use)
Rechargeable(Built-in 300mah battery)

Packing list
1 x light bar
1 x data cable
1 x Base
1 x Double-sided tape
1 x manual