GT-INST-1 is a portable, wireless disc transducer, featuring a durable, lightweight, high fidelity pickup for acoustic stringed instruments and box instruments. The high-quality acoustic transducer pickup features rich, full-bodied, clear sound reproduction. Easy instrument attachment and worry-free operation make this a convenient “on the go” recording solution that easily connects wirelessly to smart devices. *Some devices may require adaptors for the 1/8” (3.5mm) jack connection.