When you play your instrument, you only need to stick this pickup on your instrument and easy to pick up the music played by the instrument and it not damage your instrument body, you can enjoy the perfect playing feelings at the same time. Easy to install, can be stuck with self-adhesive which can be reused No hole making No battery needed Clear tone, not muddy sound Mini design, and compact, especially when you are going to participate in a performance, you can put it in the guitar bag that is convenient, or maybe take it to anywhere you want. Good Sound- The Acoustic Guitar Pickup comes with double sided tape and self adhesive Nylon Sticker,it is to interfering external sounds and not be influenced by sound reflections from nearby objects, bring you the clear sound quality. Stick Patch Design - With the stick patch transducer works by contacting with the directly. it is very easy to install and you can onto the instrument to minimize the damage to instrument body. Colour: black Material: ABS Size: cord length: 30cm Package Contents: 4 x guitar pickup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.