Specification Brand : Taidacent BulletPoint1 : OLED music spectrum display Ultra-thin, ultra-small, no delay, support 8 display formats BulletPoint2 : Input voltage: DC 3.3-5V BulletPoint3 : Frequency response: 20-22KHZ BulletPoint4 : Color: Blue BulletPoint5 : Number of channels: mono ExternallyAssignedProductIdentifier : 5302611321860 ExternallyAssignedProductIdentifier1 : 0734831006015 ExternallyAssignedProductIdentifier2 : 734831006015 ItemName : Taidacent Pocket Small Micro-Slim Music Spectrum VU Meter 0.96 Inch OLED Screen Multi-Mode Audio Spectrum Indicator ItemPackageQuantity : 1 ItemTypeKeyword : spectrum-analyzers Manufacturer : Taida Material : Copper PartNumber : ZC-JO-2musicindicator-1114 ProductDescription : OLED music spectrum display Ultra-thin, ultra-small, no delay, support 8 display formats Product parameters: Input voltage: DC 3.3-5V Frequency response: 20-22KHZ Color: Blue Number of channels: mono The biggest feature of this spectrum is a word: small! The thickness is only 4mm Support 8 modes display, 3-5v can be used Display mode Waveform + time domain Waveform time domain Waveform + timeline 64-band display histogram Symmetrical display of 32-way frequency on both sides Symmetrical display on both sides of 32-way Waveform Level average Mode 2 is the same as 1 and is only fast and has a covered wire