ITEM NAME:LED Display Music Spectrum Analyzer Amplifier MP3 Audio Level Meter Kits 3C Features: Operating voltage : 5V USB power supply Signal access methods : 3.5 audio line input audio signal Installation : DIY welding Dimensions: Length : 105mm High : 68mm thickness : 16mm Related data:mediafire.com/file/yi0787bpedso6yx/WU3C504.zip/file Package Included: 1x LED Music Spectrum Analyzer Audio Level Meter DIY Kits 1x Mini USB Power Cable 1x One to two audio adapter.1x One to two audio adapter. 1x Mini USB Power Cable.
