Piezo Contact Transducer for Guitar Ukulele Mandolin Instruments About the product 1. Suitable for: This pickup is suitable for a wide range of acoustic instruments such as guitars, ukuleles, mandolins, banjos, etc. 2. 2. Good sound: It eliminates sound from outside disturbances and is not affected by sound reflection from nearby objects. So it can transmit good quality sound. 3. 3. Patch design: With 3 patch transducers, it is very easy to install, and you can attach it to the instrument to reduce the damage to the instrument body. 4) Audio jack from Quality: The audio jack can replace end pins and mounting strap. 5. easy to install: no installation is required, use is immediate. Description: Color: black Material: metal, rubber and plastic Dimensions: cable diameter in the hole 6.35 mm Cable length: 78 cm Sensor diameter: 3cm Suitable for: guitar, ukulele, violin, etc. Installation notes: Open the package, peel off the double-sided tape and place the microphone on the panel. Connect one side to the pickup and the other side directly to the instrument's amplifier.