Features: *Size: 21.8*7.2*2.8cm * Sensitive pickup of surrounding sounds, automatic switching of voice-activated wire control *12 display modes, 7 color modes can be combined into 84 display effects *8 brightness modes *4 time display modes *1 breathing display mode *3-way alarm clock function *You can set your favorite color *USB power supply (can be powered by 5V mobile phone charger) *Portable,Convenient to use and with good performance, with small size, easy to carry and store. *High quality,With strict quality control and quality assurance, high safety factor, can be used with peace of mind. Package Included: Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. If you have any questions, please feel free to contact us, we will solve it for you. Music Spectrum Indicator Vu Meter Rgb Vfd Audio Voice-Activated Rhythm Clock