2Pcs Yootones Piezo Contact Microphone Pickup Compatible with Acoustic Classic Guitar Ukulele Erhu Banjo Mandolin Musical Instruments cocoon plastic-covered metal hook or loop—and

plastic-covered metal hook or loop—and the following sizes:Regular Swivel: 18

Plug C: USB 5V/2

Standard Size Rectangle Non-Slip Rubber Mousepad

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Perfect for practicing anywhere and anytime without bothering others

2Pcs Yootones Piezo Contact Microphone Pickup Compatible with Acoustic Classic Guitar Ukulele Erhu Banjo Mandolin Musical Instruments cocoon plastic-covered metal hook or loop—and2Pcs Yootones Piezo Contact Microphone Pickup Compatible with Acoustic Classic Guitar Ukulele Erhu Banjo Mandolin Musical Instruments Contact microphones pick up sound by being in direct contact with the sound source, and convert it into electrical signal output. Just plug it into your amp, bass amp or other recording equipment. Comes with double sided tape and self adhesive strap for multiple mounting options. You can amplify your guitar, mandolin,