DescriptionThis item is a piezo cable acoustic pickup, which fit s forboth acoustic guitar andclassical guitar . It features no noise , sensitive,overdrivetransmission.Features-Color :Redcopper ,black, blue. -Material:Piezofilmelectronic materials.-Total length :Ca.16.9inch/43 cm.-Diameter:1.7mm.- Fitforacoustic guitar andclassical guitar.-Apply forminipickuptechnology.-No noise , sensitive,overdrivetransmission.