Specifications Type Red Round Green Square Blue Square Yellow Square Red Square optional Material PlasticPower Source USB powered DC 5VProduct Size 12 8 cm Length x 3 2 cm Height x 1 8 cm Thickness Display Modes 18 rhythm light display modesPCB Module DS1302 Clock ModuleFunctionality Time Display LED Music SpectrumFeatures 1 Multi functional Display Combines LED music spectrum rhythm with digital clock functionality for versatile use 2 DIY Soldering Kit Enhances electronics and soldering skills ideal for hobbyists and beginners 3 Sound Activation Control Displays music spectrum that reacts to sound inputs for visual effects 4 USB Power Compatibility Easy power supply via USB cable ideal for home and desktop setups 5 Mutil Appearance Five design types available to fit diverse aesthetic preferences Package Included 1 x DIY LED Music Spectrum Clock Kit