Material: ABS + Electronic components Size: 181 * 16 * 18.5mm Features: Built-in microphone with high sensitivity (Control voice) 32 colored beads for lamp no less than 8 display modes 4 clarity adjustment levels 5-degree speed adjustment 18 adjustable colors modes; Included Automatic AGC reinforcement control exclusive intelligent removal algorithm noisy environments, can be used in noisy surroundings Product parameters: Input voltage: & gt; DC 5V 1A Input interface: USB Transmission band: 50-16 kHz Instructions: MODE / SPEED button: Press briefly to turn on the white selection mode; Long press to change the color to red - select 5 speed Color / Bright key: Short press Changes the color on white; Long press to change the color to green - select 4 brightness levels; Press two keys at the same time: Press at the same time to change the color to blue to get to know the ambient noise spectrum; Press and hold Color at the same time after switching on the power supply: Enter the reinforcement setting mode Switching on (model with battery): Press the Color button after turning off the power Turn off (only model with battery): Keep the screen down for 3 seconds Optional powered by USB (you need to connect a USB line to Use) Battery (built-in 300 mAh battery) List of packing items 1 x Light Strip 1 x data transmission cable 1 x base 1 x double-sided tape 1 x instructions