Features: Guitar sound hole coil pickup has volume and mic control, with 90 foldable microphone for clear pickup. The 6pcs magnetic transducers capture vibrations quickly, height of each can be freely adjustable. The coil pickup is suitable for 39/ 40/ 41/ 42inch folk guitar, widely applicable. Powered by 2pcs button cell (not included), easy to mount by yourself, convenient to use. Comes with 2 additional covers in different colors(dark gey and red) for backup use. Specifications: Brand: JUSTPRO Model: JC-A1 Main Material: Plastic Application: For 39/ 40/ 41/ 42inch folk guitar Dimension: 10.5 * 2 * 4.1cm / 4.13 * 0.79 * 1.61in Package Size: 11.8 * 5.5 * 5cm / 5.91 * 3.94 * 2.48in Package Weight: 273g / 9.63oz Packing List: 1 * Coil Pickup 2 * Additional Covers in Different Colors(Dark Grey, Red) 1 * Hexagonal Wrench 1 * Audio Output 1 * Microphone 1 * PU Leather Cover 1 * Wire Clip 1 * Screw Nut 2 * Nylon Zip Ties