Features:*Music spectrum sound effects using the powerful, energy-saving DS1302 watch chip with a power-off retention function for continued operation after switching off.*Music level display with 8 effects such as bars, dots and peaks, automatically switches to spectrum mode when a music signal is detected (must be set or adjusted)*Music spectrum analyser supports 8 levels of brightness adjustment and automatic brightness function (can be adjusted in the settings)*Music spectrum LED indicator supports time setting for 3 alarm groups, 7 music ringtones can be selected and also displays the current temperature value.*Music spectrum analyser with 1T high speed processor with high precision ADC. audio signal is checked and processed by FFT fast Fourier transform algorithm to display the amplitude of the current music frequency in real time.Specifications:Product Name: LED Clock Spectrum LightProduct size: 220 x 28 x 70 mm (8.66 x 1.10 x 2.76 inches).Product weight: 85g (0.19ib)Voltage: DC 5V / 1A (the voltage cannot be greater than 5.5V)Output power: 5 W.Power interface: USBPackage Included:1PCS x music atmosphere light (the shell must be installed by yourself)1PCS x Manual1PCS x power cable