SMD Soldered Version Dual Channel AS30 Binaural 30 Segment LED DIY Kit Music Spectrum VU MeterNote‎:‎ This version SMD is soldered‎,‎ is more easier than ID‎:‎ 1008247‎.‎This is a DIY kit‎,‎ you need to have some knowledge of electronics and ability‎.‎We have "with housing version"and "without housing version"‎,‎ please choose‎.‎Instruction‎:‎ Click to openProduct Size‎:‎Without housing‎:‎ 2.5 x 12 x 1.3cm ‎(‎L x W x H‎)‎With housing‎:‎ 3.1 x 12.6 x 1.9cm ‎(‎L x W x H‎)‎LED projection display section dimensions‎:‎ 7.6 x 2.0cm ‎(‎H x W‎)‎Input voltage‎:‎ DC 5V dual‎-channel audio inputAS30 there are six kinds of classic display mode‎,‎ key settings‎,‎ settings with memory function‎.‎Mode 1‎:‎ Columnar ModeMode 2‎:‎ Columnar with floating point modeMode 3‎:‎ Columnar with floating point‎,‎ floating point up out of the modeMode 4‎:‎ Single point modeMode 5‎:‎ Single point with floating point up out of the modeMode 6‎:‎ single floating point modeInstructions‎:‎1‎,‎ Connect the USB cable into the computer USB port and 3.5mm headphone2‎,‎ Please adjust the input volume‎,‎ gain adjustment will be displayed with the amplitude control to the appropriate range‎,‎ the gain in addition to special under special circumstances of small volume‎,‎ set to 1 level is the best‎;‎Software upgrade instructions‎:‎ AS30 software upgrade V2 version‎,‎ upgrade content‎:‎1‎,‎ an increase of 10 level speed adjustment function‎,‎ you can adjust according to their own preferences to the speed of their own‎,‎ it can be suitable for all kinds of music‎.‎‎(‎3 level‎)‎ in the video‎.‎2‎,‎ 3 increase in the level of gain adjustment‎,‎ high school three‎.‎Key use method‎:‎‎(‎Adjust to bring out the memory of the memoryClick‎:‎ mode adjustmentLong by 1 second‎:‎ 10 speed adjustment‎,‎ the left top of the LED will correspond to show that the more 1‎-10 the more slowlyLong press 3 seconds‎:‎ 3 gain adjustment‎,‎ the right side of the top LED will correspond to display‎,‎ 1‎,‎ 2‎,‎ 3‎,‎ respectively‎,‎ on behalf of low‎,‎ medium and high gainPackage included‎:‎1  x Music Spectrum VU Meter Kit